title: Methylprednisolone improves chronic bronchitics with acute respiratory insufficiency.
mesh_terms: D001991:Bronchitis / Q000150:complications / Q000175:diagnosis / Q000188:drug therapy*; D002908:Chronic Disease; D004311:Double-Blind Method; D005541:Forced Expiratory Volume; D006801:Humans; D008775:Methylprednisolone / Q000627:therapeutic use*; D010919:Placebos; D012131:Respiratory Insufficiency / Q000209:etiology*; D014797:Vital Capacity
chemical_list: D010919:Placebos; D008775:Methylprednisolone