LIPMAN, M O Changes in the bacterial flora of the throat and intestinal tract during prolonged oral administration of penicillin. [electronic resource] - The American journal of medicine May 1948 - 702-9 p. digital Publication Type: Journal Article ISSN: 0002-9343 Standard No.: 10.1016/s0002-9343(48)90393-3 doi Subjects--Topical Terms: Administration, OralBacteriologyHumansIntestines--microbiologyNeckPenicillinsPharynx--microbiology