Prolonged oral administration of penicillin in rheumatoid arthritis.
D000284:Administration, Oral; D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000628:therapy*; D010406:Penicillins / Q000628:therapy*
D010406:Penicillins
ARTHRITIS, RHEUMATOID/therapy; PENICILLIN/therapy