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47. [Biological assay of progestinics and antiprogestinics]. Chambon Y Therapie; 1968; 23(4):703-35. PubMed ID: 4314722 [No Abstract] [Full Text] [Related]
48. Relationship of estrogens and oral contraceptives to endometrial cancer in animals and women. Drill VA J Reprod Med; 1980 Jan; 24(1):5-13. PubMed ID: 6987399 [TBL] [Abstract][Full Text] [Related]