Netherlands International Study of Asthma and Allergies in Children, Phase Three 2003

Global Health Data Exchange ()120

Lebanon International Study of Asthma and Allergies in Childhood, Phase One 1995 - UK Data Service

Global Health Data Exchange ()60

Prevalence of asthma symptoms and atopic disorders in preschool children and the trend over a decade

Global Health Data Exchange ()50

Ecuador International Study of Asthma and Allergies in Children, Phase Two 2001-2002

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