Growing number of asthma cases, deaths baffles physicians.
D000293:Adolescent; D000328:Adult; D001249:Asthma / Q000401:mortality*; D001291:Attitude of Health Personnel; D002170:Canada / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D009520:New Zealand / Q000453:epidemiology; D015995:Prevalence