DAVIS, M E 17-Alpha-hydroxyprogesterone-caproate: a new substance with prolonged progestational activity; a comparison with chemically pure progesterone. [electronic resource] - The Journal of clinical endocrinology and metabolism Aug 1955 - 923-30 p. digital Publication Type: Journal Article ISSN: 0021-972X Standard No.: 10.1210/jcem-15-8-923 doi Subjects--Topical Terms: 17 alpha-Hydroxyprogesterone Caproate17-alpha-HydroxyprogesteroneCaproatesEndometrium--drug effectsFemaleHumansHydroxyprogesteronesProgesterone--analogs & derivativesSteroidsVaginal Smears--drug effects