Abrams, A A Sequential estrogen and progestogen therapy. A clinical evaluation. [electronic resource] - American journal of obstetrics and gynecology Dec 1966 - 1005-10 p. digital Publication Type: Journal Article ISSN: 0002-9378 Standard No.: 10.1016/0002-9378(66)90448-0 doi Subjects--Topical Terms: Blood Cell CountBlood Chemical AnalysisBlood Coagulation TestsChlormadinone Acetate--pharmacologyContraceptives, Oral--adverse effectsFemaleHematocritHumansMestranol--pharmacology