Csapo, A I Induction of preterm labor in the rat by antiprogesterone. [electronic resource] - American journal of obstetrics and gynecology Aug 1979 - 823-7 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. ISSN: 0002-9378 Standard No.: 10.1016/0002-9378(79)90954-2 doi Subjects--Topical Terms: Administration, OralAnimalsEstradiol--analysisFemaleInjections, IntramuscularIsoxazoles--administration & dosageLabor, InducedOxazolesPregnancyProgesterone--analysisProgesterone Congeners--administration & dosageProstaglandins F--analysisRatsUterus--analysis