Corticosteroids in chronic bronchitis.
D000305:Adrenal Cortex Hormones / Q000627:therapeutic use*; D001991:Bronchitis / Q000188:drug therapy*; D002908:Chronic Disease; D006801:Humans; D012123:Pulmonary Ventilation / Q000187:drug effects; D013997:Time Factors
D000305:Adrenal Cortex Hormones