title: Methodological issues in the epidemiology of asthma.
authors.forename: A
authors.initials: A
authors.lastname: Bowman
authors.forename: D
authors.initials: D
authors.lastname: Lyle
mesh_terms: D001249:Asthma / Q000453:epidemiology*; D006801:Humans; D012107:Research Design; D012680:Sensitivity and Specificity; D011795:Surveys and Questionnaires