title: THE EFFECT OF SEQUENTIAL HORMONE THERAPY ON THE REPRODUCTIVE CYCLE.
mesh_terms: D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D004116:Dimethisterone; D005003:Ethisterone; D005260:Female; D006801:Humans; D010600:Pharmacology; D011247:Pregnancy; D012098:Reproduction; D014116:Toxicology
chemical_list: D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D004116:Dimethisterone; D005003:Ethisterone
keywords: CONTRACEPTIVES, ORAL; DIMETHISTERONE; ETHISTERONE; PHARMACOLOGY; PREGNANCY; TOXICOLOGIC REPORT