Prevalence of asthma in children.
Shaw
R A
RA
Crane
J
J
O'Donnell
T V
TV
D000293:Adolescent; D001249:Asthma / Q000453:epidemiology*; D002648:Child; D006801:Humans; D009520:New Zealand / Q000453:epidemiology; D015995:Prevalence; D012135:Respiratory Sounds / Q000209:etiology