title: Letter: Changing pattern in asthma related to sex and age.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001249:Asthma / Q000453:epidemiology*; D001315:Australia; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors