A trial of phenethicillin in chronic bronchitis.
D001991:Bronchitis / Q000628:therapy*; D029481:Bronchitis, Chronic; D010404:Penicillin V / Q000031:analogs & derivatives; D010406:Penicillins / Q000628:therapy*
D010406:Penicillins; C100209:phenethicillin; D010404:Penicillin V
BRONCHITIS/therapy; PENICILLIN/therapy