title: [A clinical trial and use of triziston-R as a contraceptive agent].
authors.forename: A
authors.initials: A
authors.lastname: Masarliev
authors.forename: T
authors.initials: T
authors.lastname: Piperkov
authors.forename: G
authors.initials: G
authors.lastname: Grozdanov
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage* / Q000009:adverse effects; D004997:Ethinyl Estradiol / Q000008:administration & dosage* / Q000009:adverse effects; D019304:Ethinyl Estradiol-Norgestrel Combination; D005260:Female; D006801:Humans; D008597:Menstrual Cycle / Q000187:drug effects; D009644:Norgestrel / Q000008:administration & dosage* / Q000009:adverse effects; D013997:Time Factors
chemical_list: D003277:Contraceptives, Oral, Combined; D009644:Norgestrel; D004997:Ethinyl Estradiol; D019304:Ethinyl Estradiol-Norgestrel Combination
vernacular_title: Klinichno izpitanie i prilozhenie na triziston-R kato protivozachatŭchno sredstvo.