Impressions of clinical allergy in China.
D001249:Asthma / Q000453:epidemiology; D002681:China; D006801:Humans; D006967:Hypersensitivity / Q000453:epidemiology*; D006255:Rhinitis, Allergic, Seasonal / Q000453:epidemiology; D014581:Urticaria / Q000453:epidemiology