title: Conception control by cyclic injections of norethisterone enanthate and estradiol unducelate.
mesh_terms: D000328:Adult; D003270:Contraceptive Agents / Q000008:administration & dosage*; D004958:Estradiol / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D007273:Injections, Intramuscular; D008598:Menstruation / Q000187:drug effects*; D009640:Norethindrone / Q000008:administration & dosage*; D011247:Pregnancy; D013997:Time Factors
chemical_list: D003270:Contraceptive Agents; D004958:Estradiol; D009640:Norethindrone