Diagnosis of asthma.
D000367:Age Factors; D001249:Asthma / Q000175:diagnosis*; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D008487:Medical History Taking; D012135:Respiratory Sounds / Q000209:etiology*; D014777:Virus Diseases / Q000150:complications