BAKER, W S The value of urinary pregnanediol determinations as an indication for the use of progesterone in the treatment of threatened abortion. [electronic resource] - American journal of obstetrics and gynecology Feb 1955 - 405-14 p. digital Publication Type: Journal Article ISSN: 0002-9378 Standard No.: 10.1016/s0002-9378(16)38011-5 doi Subjects--Topical Terms: Abortion, InducedAbortion, SpontaneousAbortion, ThreatenedFemaleHumansPregnancyPregnanediol--urineProgesterone--therapeutic useProgestinsUrinary TractUrine