Trend in occurrence of asthma among children and young adults. Labelling of cough alone as asthma may partially explain increase.
Chang
A B
AB
Newson
T P
TP
D000328:Adult; D001249:Asthma / Q000453:epidemiology*; D001315:Australia / Q000453:epidemiology; D002648:Child; D003371:Cough / Q000453:epidemiology; D006801:Humans; D015995:Prevalence