Esophageal reflux as trigger in asthma.
D000328:Adult; D000368:Aged; D001249:Asthma / Q000209:etiology*; D005260:Female; D005500:Follow-Up Studies; D005764:Gastroesophageal Reflux / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged