Back, D J Reduction of the enterohepatic circulation of norethisterone by antibiotics in the rat: correlation with changes in the gut flora. [electronic resource] - Journal of steroid biochemistry Jan 1980 - 95-100 p. digital Publication Type: Journal Article ISSN: 0022-4731 Standard No.: 10.1016/0022-4731(80)90118-1 doi Subjects--Topical Terms: Ampicillin--pharmacologyAnimalsAnti-Bacterial Agents--pharmacologyBile--metabolismIntestines--blood supplyLincomycin--pharmacologyLiver--blood supplyMaleNeomycin--pharmacologyNorethindrone--administration & dosageRatsRegional Blood Flow--drug effectsRifampin--pharmacology