title: [Local chemical contraception: results based on 4 years of experimentation].
mesh_terms: D003271:Contraceptive Agents, Female / Q000008:administration & dosage / Q000494:pharmacology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D000644:Quaternary Ammonium Compounds / Q000008:administration & dosage / Q000494:pharmacology; D014621:Vagina
chemical_list: D003271:Contraceptive Agents, Female; D000644:Quaternary Ammonium Compounds
vernacular_title: La contraception chimique locale. Résultats après quatre ans d'expérimentation