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How do questionnaire definitions of atopy status affect sample size calculations for asthma cohort studies in a population of Canadian children?
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2011
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3242173/ http://dx.doi.org/10.1186/1710-1492-7-S2-A12 |