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[PMID]:27776996
[Au] Autor:Holm HJ; Skugor S; Bjelland AK; Radunovic S; Wadsworth S; Koppang EO; Evensen Ø
[Ad] Endereço:Faculty of Veterinary Medicine and Biosciences, Department of Basic Sciences and Aquatic Medicine, Sea Lice Research Centre, Norwegian University of Life Sciences, Oslo, Norway. Electronic address: Helle.Holm@nmbu.no.
[Ti] Título:Contrasting expression of immune genes in scaled and scaleless skin of Atlantic salmon infected with young stages of Lepeophtheirus salmonis.
[So] Source:Dev Comp Immunol;67:153-165, 2017 02.
[Is] ISSN:1879-0089
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Atlantic salmon skin tissues with and without scales were taken from two preferred sites of salmon louse (Lepeophtheirus salmonis) attachment, behind the dorsal fin (scaled) and from the top of the head (scaleless), respectively. Tissues were profiled by qPCR of 32 genes to study responses to copepodids, 4 days post infection (dpi), and during the moult of copepodids to the chalimus stage, at 8 dpi. Basal/constitutive differences were found for many immune-related genes between the two skin sites; e.g., mannose binding protein C was over 100 fold higher expressed in the scaled skin from the back in comparison to the skin without scales from the head. With lice-infection, at 4 dpi most genes in both tissues showed lower values than in the non-infected control. By 8 dpi, the majority of responses increased towards the control levels, including cytokines of Th1, Th17 and Th2 pathways. Immunohistochemistry of three immune factors revealed an even distribution of MHC class II positive cells throughout epidermis, including the top layer of keratinocytes, marked compartmentalization of Mx and CD8α cells close to stratum basale, and an increase in numbers of CD8α cells in response to infection. In conclusion, suppression of immune genes during the copepodid stage likely sets off a beneficial situation for the parasite. At the moult to chalimus stage 8 dpi, only few genes surpassed the non-infected control levels, including CD8α. The gene expression pattern was reflected in the increased number of CD8α expressing cells, thus revealing a relatively minor activation of skin T-cell defenses in Atlantic salmon in response to L. salmonis infection.
[Mh] Termos MeSH primário: Escamas de Animais/fisiologia
Copépodes/imunologia
Proteínas de Peixes/metabolismo
Infestações por Piolhos/imunologia
Lectina de Ligação a Manose/metabolismo
Salmo salar/imunologia
Pele/imunologia
[Mh] Termos MeSH secundário: Escamas de Animais/parasitologia
Animais
Células Cultivadas
Citocinas/metabolismo
Proteínas de Peixes/genética
Imunidade/genética
Infestações por Piolhos/genética
Estágios do Ciclo de Vida
Lectina de Ligação a Manose/genética
Salmo salar/parasitologia
Pele/parasitologia
Fenômenos Fisiológicos da Pele/genética
Células Th1/imunologia
Células Th17/imunologia
Células Th2/imunologia
Transcriptoma
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Cytokines); 0 (Fish Proteins); 0 (MBL2 protein, human); 0 (Mannose-Binding Lectin)
[Em] Mês de entrada:1711
[Cu] Atualização por classe:180210
[Lr] Data última revisão:
180210
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161026
[St] Status:MEDLINE


  2 / 2340 MEDLINE  
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[PMID]:29190046
[Au] Autor:Hytönen J; Khawaja T; Grönroos JO; Jalava A; Meri S; Oksi J
[Ti] Título:Relapsing fever.
[So] Source:Duodecim;132(21):1952-6, 2016.
[Is] ISSN:0012-7183
[Cp] País de publicação:Finland
[La] Idioma:eng
[Ab] Resumo:Relapsing fewer is an infection to be considered in the differential diagnosis of an immigrant´s febrile illness. It is a severe, tick-borne or body louse-borne infection caused by the relapsing fever associated borrelia species. The body louse-borne infection is in particular encountered in the Horn of Africa region due to poor hygiene, and has during the past year been described in several European countries as imported by refugees coming from this region. Doctors should thus bear relapsing fever in mind as a differential diagnosis in a febrile refugee having recently arrived in Finland.
[Mh] Termos MeSH primário: Borrelia
Infestações por Piolhos/diagnóstico
Refugiados
Febre Recorrente/diagnóstico
Infestações por Carrapato/diagnóstico
[Mh] Termos MeSH secundário: Animais
Diagnóstico Diferencial
Seres Humanos
Viagem
[Pt] Tipo de publicação:JOURNAL ARTICLE; REVIEW
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180108
[Lr] Data última revisão:
180108
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171201
[St] Status:MEDLINE


  3 / 2340 MEDLINE  
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[PMID]:29211428
[Au] Autor:Stepanova ON
[Ti] Título:[THE FAUNA AND POPULATION OF CHEWING LICE (INSECTA, PHTHIRAPTERA) PARASITIZING SEDENTARY PASSERINE BIRDS (AVES, PASSERIFORMES) IN YAKUTIA].
[So] Source:Parazitologiia;50(5):387-94, 2016 Sep-Oct.
[Is] ISSN:0031-1847
[Cp] País de publicação:Russia (Federation)
[La] Idioma:rus
[Ab] Resumo:The data on the fauna, abundance and prevalence of chewing lice collected from 360 specimens of 13 sedentary species of passerine birds in Yakutia are given. A total of 3206 chewing lice specimens belonging to 27 species of 6 genera were found. Most explored bird species were infested with several chewing lice species. We assume exchanges of parasites could take place between some bird species in the region explored.
[Mh] Termos MeSH primário: Doenças das Aves/parasitologia
Infestações por Piolhos/parasitologia
Passeriformes/parasitologia
Ftirápteros/classificação
Ftirápteros/fisiologia
[Mh] Termos MeSH secundário: Animais
Sibéria
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171221
[Lr] Data última revisão:
171221
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171207
[St] Status:MEDLINE


  4 / 2340 MEDLINE  
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[PMID]:28976865
[Au] Autor:Fuentes-Suárez A; González-Márquez TN
[Ad] Endereço:Hospital General Dr. Manuel Gea González, Mexico City, Mexico docnatas@gmail.com.
[Ti] Título:"Acrobatic" Lice.
[So] Source:N Engl J Med;377(14):e19, 2017 Oct 05.
[Is] ISSN:1533-4406
[Cp] País de publicação:United States
[La] Idioma:eng
[Mh] Termos MeSH primário: Virilha/parasitologia
Infestações por Piolhos/diagnóstico
Phthirus/fisiologia
[Mh] Termos MeSH secundário: Idoso
Animais
Dermoscopia
Seres Humanos
Masculino
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE; VIDEO-AUDIO MEDIA
[Em] Mês de entrada:1711
[Cu] Atualização por classe:171106
[Lr] Data última revisão:
171106
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:171005
[St] Status:MEDLINE
[do] DOI:10.1056/NEJMicm1700352


  5 / 2340 MEDLINE  
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[PMID]:28931077
[Au] Autor:Amanzougaghene N; Fenollar F; Sangaré AK; Sissoko MS; Doumbo OK; Raoult D; Mediannikov O
[Ad] Endereço:Aix Marseille Univ, CNRS, IRD, INSERM, AP-HM, URMITE, IHU - Méditerranée Infection, Marseille, France.
[Ti] Título:Detection of bacterial pathogens including potential new species in human head lice from Mali.
[So] Source:PLoS One;12(9):e0184621, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:In poor African countries, where no medical and biological facilities are available, the identification of potential emerging pathogens of concern at an early stage is challenging. Head lice, Pediculus humanus capitis, have a short life, feed only on human blood and do not transmit pathogens to their progeny. They are, therefore, a perfect tool for the xenodiagnosis of current or recent human infection. This study assessed the occurrence of bacterial pathogens from head lice collected in two rural villages from Mali, where a high frequency of head lice infestation had previously been reported, using molecular methods. Results show that all 600 head lice, collected from 117 individuals, belonged to clade E, specific to West Africa. Bartonella quintana, the causative agent of trench fever, was identified in three of the 600 (0.5%) head lice studied. Our study also shows, for the first time, the presence of the DNA of two pathogenic bacteria, namely Coxiella burnetii (5.1%) and Rickettsia aeschlimannii (0.6%), detected in human head lice, as well as the DNA of potential new species from the Anaplasma and Ehrlichia genera of unknown pathogenicity. The finding of several Malian head lice infected with B. quintana, C. burnetii, R. aeschlimannii, Anaplasma and Ehrlichia is alarming and highlights the need for active survey programs to define the public health consequences of the detection of these emerging bacterial pathogens in human head lice.
[Mh] Termos MeSH primário: Bartonella quintana/genética
DNA Bacteriano/genética
Insetos Vetores/microbiologia
Infestações por Piolhos/diagnóstico
Pediculus/microbiologia
Dermatoses do Couro Cabeludo/diagnóstico
Febre das Trincheiras/transmissão
[Mh] Termos MeSH secundário: Animais
Bartonella quintana/classificação
Bartonella quintana/isolamento & purificação
DNA Bacteriano/classificação
DNA Bacteriano/isolamento & purificação
Seres Humanos
Infestações por Piolhos/microbiologia
Mali
Filogenia
Reação em Cadeia da Polimerase
Dermatoses do Couro Cabeludo/microbiologia
Febre das Trincheiras/microbiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Bacterial)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171017
[Lr] Data última revisão:
171017
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170921
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0184621


  6 / 2340 MEDLINE  
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[PMID]:28671945
[Au] Autor:Yeoh DK; Anderson A; Cleland G; Bowen AC
[Ad] Endereço:Department of Infectious Diseases, Princess Margaret Hospital for Children, Perth, Western Australia.
[Ti] Título:Are scabies and impetigo "normalised"? A cross-sectional comparative study of hospitalised children in northern Australia assessing clinical recognition and treatment of skin infections.
[So] Source:PLoS Negl Trop Dis;11(7):e0005726, 2017 Jul.
[Is] ISSN:1935-2735
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Complications of scabies and impetigo such as glomerulonephritis and invasive bacterial infection in Australian Aboriginal children remain significant problems and the overall global burden of disease attributable to these skin infections remains high despite the availability of effective treatment. We hypothesised that one factor contributing to this high burden is that skin infection is under-recognised and hence under-treated, in settings where prevalence is high. METHODS: We conducted a prospective, cross-sectional study to assess the burden of scabies, impetigo, tinea and pediculosis in children admitted to two regional Australian hospitals from October 2015 to January 2016. A retrospective chart review of patients admitted in November 2014 (mid-point of the prospective data collection in the preceding year) was performed. Prevalence of documented skin infection was compared in the prospective and retrospective population to assess clinician recognition and treatment of skin infections. RESULTS: 158 patients with median age 3.6 years, 74% Aboriginal, were prospectively recruited. 77 patient records were retrospectively reviewed. Scabies (8.2% vs 0.0%, OR N/A, p = 0.006) and impetigo (49.4% vs 19.5%, OR 4.0 (95% confidence interval [CI 2.1-7.7) were more prevalent in the prospective analysis. Skin examination was only documented in 45.5% of cases in the retrospective review. Patients in the prospective analysis were more likely to be prescribed specific treatment for skin infection compared with those in the retrospective review (31.6% vs 5.2%, OR 8.5 (95% CI 2.9-24.4). CONCLUSIONS: Scabies and impetigo infections are under-recognised and hence under-treated by clinicians. Improving the recognition and treatment of skin infections by clinicians is a priority to reduce the high burden of skin infection and subsequent sequelae in paediatric populations where scabies and impetigo are endemic.
[Mh] Termos MeSH primário: Impetigo/epidemiologia
Doenças Negligenciadas/epidemiologia
Escabiose/epidemiologia
[Mh] Termos MeSH secundário: Adolescente
Austrália/epidemiologia
Criança
Pré-Escolar
Estudos Transversais
Feminino
Seres Humanos
Impetigo/tratamento farmacológico
Lactente
Recém-Nascido
Infestações por Piolhos/tratamento farmacológico
Infestações por Piolhos/epidemiologia
Masculino
Doenças Negligenciadas/tratamento farmacológico
Grupo com Ancestrais Oceânicos
Prevalência
Estudos Prospectivos
Estudos Retrospectivos
Escabiose/tratamento farmacológico
Tinha/tratamento farmacológico
Tinha/epidemiologia
[Pt] Tipo de publicação:COMPARATIVE STUDY; JOURNAL ARTICLE
[Em] Mês de entrada:1707
[Cu] Atualização por classe:170808
[Lr] Data última revisão:
170808
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170704
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pntd.0005726


  7 / 2340 MEDLINE  
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[PMID]:28399311
[Au] Autor:Eremeeva ME; Capps D; Winful EB; Warang SS; Braswell SE; Tokarevich NK; Bonilla DL; Durden LA
[Ad] Endereço:Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, GA 30458.
[Ti] Título:Molecular Markers of Pesticide Resistance and Pathogens in Human Head Lice (Phthiraptera: Pediculidae) From Rural Georgia, USA.
[So] Source:J Med Entomol;54(4):1067-1072, 2017 Jul 01.
[Is] ISSN:1938-2928
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Although the head louse, Pediculus humanus capitis De Geer, and body louse, Pediculus humanus humanus L., both have a worldwide distribution, the occurrence of head louse pediculosis appears to be more prevalent in modern societies despite systematic use of various pediculicides. This study tested head lice collected in rural Georgia and body lice collected in Russia for the prevalence of a kdr-biomarker that is associated with permethrin resistance. This study also screened lice for the presence of DNA from Bartonella quintana and Acinetobacter species. The kdr-permethrin resistance biomarker for the T917I mutation was detected by RFLP and PCR in 99.9% of head lice tested from Georgia, whereas only 2.9% of body lice from Russia tested positive for this kdr biomarker. DNA of B. quintana was detected in 10.3% of head lice from Georgia, whereas 84.8% of body lice from Russia tested positive. Acinetobacter DNA was detected in 80.8% (95% CI, 68-89%) of head lice from Georgia and all body lice from Russia tested.
[Mh] Termos MeSH primário: Resistência a Inseticidas
Inseticidas/farmacologia
Pediculus/efeitos dos fármacos
Permetrina/farmacologia
[Mh] Termos MeSH secundário: Acinetobacter/isolamento & purificação
Animais
Bartonella quintana/isolamento & purificação
California
Criança
Pré-Escolar
DNA Bacteriano/análise
Feminino
Georgia
Seres Humanos
Infestações por Piolhos/parasitologia
Masculino
Ninfa/efeitos dos fármacos
Ninfa/genética
Ninfa/crescimento & desenvolvimento
Ninfa/microbiologia
Pediculus/genética
Pediculus/crescimento & desenvolvimento
Pediculus/microbiologia
Reação em Cadeia da Polimerase em Tempo Real
Federação Russa
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Bacterial); 0 (Insecticides); 509F88P9SZ (Permethrin)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171013
[Lr] Data última revisão:
171013
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170412
[St] Status:MEDLINE
[do] DOI:10.1093/jme/tjx039


  8 / 2340 MEDLINE  
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[PMID]:28399297
[Au] Autor:Durden LA; Blanco MB; Seabolt MH
[Ad] Endereço:Department of Biology, Georgia Southern University, 4324 Old Register Rd., Statesboro, GA 30458 (ldurden@georgiasouthern.edu; ms09348@georgiasouthern.edu).
[Ti] Título:Two New Species of Sucking Lice (Phthiraptera: Anoplura: Polyplacidae) From Endangered, Hibernating Lemurs (Primates: Cheirogaleidae).
[So] Source:J Med Entomol;54(3):568-575, 2017 May 01.
[Is] ISSN:1938-2928
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Lemurpediculus robbinsi sp. nov. is described from Crossley's dwarf lemur, Cheirogaleus crossleyi A. Grandidier, and Lemurpediculus claytoni sp. nov. is described from Sibree's dwarf lemur, Cheirogaleus sibreei Forsyth Major, from Madagascar. Both sexes of each new louse species are illustrated and distinguished from the two previously known species of Lemurpediculus: L. verruculosus (Ward) and L. petterorum Paulian. With the addition of two new species to the genus, an amended description of Lemurpediculus is provided. The two hosts of the new louse species are morphologically similar, endangered, obligately hibernating lemurs. These two species of lemurs are sometimes sympatric in rainforests in eastern Madagascar. Despite the morphological similarity of the two host species, their lice are morphologically distinct and are easiest to identify based on the shape of the subgenital plate of the female and the shape of the genitalia in the male. Both new species of lice should be considered to be endangered because their hosts are endangered. It is not known if either of the new species of lice are vectors of pathogens or parasites to their hosts.
[Mh] Termos MeSH primário: Anoplura/classificação
Anoplura/fisiologia
Cheirogaleidae
Infestações por Piolhos/veterinária
[Mh] Termos MeSH secundário: Animais
Anoplura/anatomia & histologia
Espécies em Perigo de Extinção
Feminino
Infestações por Piolhos/parasitologia
Madagáscar
Masculino
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170915
[Lr] Data última revisão:
170915
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170412
[St] Status:MEDLINE
[do] DOI:10.1093/jme/tjw185


  9 / 2340 MEDLINE  
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[PMID]:28399223
[Au] Autor:Ponce-Garcia G; Villanueva-Segura K; Trujillo-Rodriguez G; Rodriguez-Sanchez IP; Lopez-Monroy B; Flores AE
[Ad] Endereço:Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, San Nicolás de los Garza, N.L., 66451 México.
[Ti] Título:First Detection of the Kdr Mutation T929I in Head Lice (Phthiraptera: Pediculidae) in Schoolchildren of the Metropolitan Area of Nuevo Leon and Yucatan, Mexico.
[So] Source:J Med Entomol;54(4):1025-1030, 2017 Jul 01.
[Is] ISSN:1938-2928
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:The head louse Pediculus humanus capitis (De Geer) is a hematophagous ectoparasite that inhabits the human scalp. Infestations by this insect are commonly known as pediculosis, which is more common in younger groups. These infestations are asymptomatic; however, skin irritation from scratching occasionally may cause secondary bacterial infections. In recent years, the prevalence of pediculosis has increased in children; this increase has been attributed to louse resistance to the insecticides used as a control measure for infestation. The aim of the present study was to determine the presence and frequency of the knockdown resistance mutation (kdr) T929I in 468 head lice collected from 32 elementary schools in the metropolitan area of Nuevo Leon (24) and Yucatan (8), Mexico. This is the first report of a knockdown resistance (kdr) mechanism in head lice from Mexico. The T929I mutation was present in all of the sampled schools, with variability observed in its allelic and genotypic frequencies.
[Mh] Termos MeSH primário: Proteínas de Insetos/genética
Resistência a Inseticidas
Inseticidas/farmacologia
Mutação
Pediculus/genética
Piretrinas/farmacologia
[Mh] Termos MeSH secundário: Animais
Sequência de Bases
Criança
Seres Humanos
Infestações por Piolhos/parasitologia
México
Pediculus/efeitos dos fármacos
Alinhamento de Sequência
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Insect Proteins); 0 (Insecticides); 0 (Pyrethrins)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171013
[Lr] Data última revisão:
171013
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170412
[St] Status:MEDLINE
[do] DOI:10.1093/jme/tjx045


  10 / 2340 MEDLINE  
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[PMID]:28264256
[Au] Autor:Alahmed A; Aldryhim Y; Shobrak M; Nasser M
[Ad] Endereço:Research Chair of Insect Vector Borne Diseases, Department of Plant Protection, College of Food and Agriculture Science, King Saud University, Riyadh, Saudi Arabia.. user@example.com.
[Ti] Título:A new species of the genus Amyrsidea (Phthiraptera: Amblycera: Menoponidae) parasitizing domestic chickens in Saudi Arabia.
[So] Source:Zootaxa;4238(2):zootaxa.4238.2.5, 2017 Mar 02.
[Is] ISSN:1175-5334
[Cp] País de publicação:New Zealand
[La] Idioma:eng
[Ab] Resumo:Amyrsidea Ewing, 1927 is a genus of chewing lice comprising 52 species, divided into five subgenera: Amyrsidea sensu stricto, Argimenopon Eichler, 1947, Cracimenopon Carriker, 1954, Desumenopon Carriker, 1954 and Numidimenopon Scharf & Price, 1977 (see Price et al. 2003: 86), which parasitise a wide range of hosts belonging to the avian order Galliformes (see Price et al. 2003: 321). Species of Amyrsidea can be distinguished from species of Menacanthus Neumann, 1912-the other menoponid genus with species parasitic on the same hosts-by lacking ventral spinous processes in the head (Scharf & Price 1977: 815). Revisions of all subgenera and species of Amyrsidea, including keys for their identification, were published by Scharf & Price (1977, 1983) and Scharf & Emerson (1983, 1984).
[Mh] Termos MeSH primário: Amblíceros
[Mh] Termos MeSH secundário: Animais
Doenças das Aves
Galinhas
Infestações por Piolhos
Ftirápteros
Arábia Saudita
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170810
[Lr] Data última revisão:
170810
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170308
[St] Status:MEDLINE
[do] DOI:10.11646/zootaxa.4238.2.5



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