title: ABC of asthma. Definition and diagnosis.
mesh_terms: D000403:Airway Resistance; D001249:Asthma / Q000175:diagnosis* / Q000453:epidemiology; D001985:Bronchial Provocation Tests; D001993:Bronchodilator Agents; D002648:Child; D002940:Circadian Rhythm; D003371:Cough / Q000175:diagnosis; D005260:Female; D006801:Humans; D008297:Male; D005082:Physical Exertion; D012135:Respiratory Sounds / Q000175:diagnosis; D012882:Skin Tests
chemical_list: D001993:Bronchodilator Agents