title: Assay of the anti-oestrogenic effects of progestagens in women.
mesh_terms: D001681:Biological Assay; D002715:Chlormadinone Acetate / Q000494:pharmacology*; D003276:Contraceptives, Oral / Q000494:pharmacology; D004717:Endometrium / Q000166:cytology / Q000187:drug effects; D005260:Female; D006801:Humans; D009640:Norethindrone / Q000494:pharmacology*
chemical_list: D003276:Contraceptives, Oral; D002715:Chlormadinone Acetate; D009640:Norethindrone