Chronic bronchitis: a reassessment of its management including massive doses of penicillin intravenously.
D001991:Bronchitis / Q000150:complications / Q000628:therapy*; D002908:Chronic Disease; D005081:Exercise Therapy; D005500:Follow-Up Studies; D006801:Humans; D007275:Injections, Intravenous; D010400:Penicillin G / Q000008:administration & dosage*; D010406:Penicillins / Q000008:administration & dosage*
D010406:Penicillins; D010400:Penicillin G