title: Synthesis of 2,3-trans-3,4-cis- and 2,3-trans-3,4-trans-2,3,4-triphenyltetrahydrofurans.
mesh_terms: D000028:Abortion, Induced; D000830:Animals, Laboratory; D003267:Contraception; D010064:Embryo Implantation; D005193:Family Planning Services; D012106:Research
keywords: Animals, Laboratory; Clinical Research; Contraception; Contraceptive Mode Of Action; Family Planning; Fertility Control, Postconception; Implantation Suppression; Research Methodology