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Risk factors for asthma and allergy associated with urban migration: background and methodology of a cross-sectional study in Afro-Ecuadorian school children in Northeastern Ecuador (Esmeraldas-SCAALA Study)
BACKGROUND: Asthma and allergic diseases are becoming increasingly frequent in children in urban centres of Latin America although the prevalence of allergic disease is still low in rural areas. Understanding better why the prevalence of asthma is greater in urban migrant populations and the role of...
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Main Authors: | , , , , , , , , , , |
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格式: | Artigo |
語言: | Inglês |
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BioMed Central
2006
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在線閱讀: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1578586/ https://ncbi.nlm.nih.gov/pubmed/16970809 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2466-6-24 |
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