title: [Experimental use of the new generation of Tri-Step contraceptive agents in 20 treated cases].
mesh_terms: D003276:Contraceptives, Oral / Q000008:administration & dosage*; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage*; D003279:Contraceptives, Oral, Sequential / Q000008:administration & dosage*; D004997:Ethinyl Estradiol / Q000008:administration & dosage; D005260:Female; D006801:Humans; D016912:Levonorgestrel; D009644:Norgestrel / Q000008:administration & dosage
chemical_list: D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D003279:Contraceptives, Oral, Sequential; D009644:Norgestrel; D004997:Ethinyl Estradiol; D016912:Levonorgestrel
vernacular_title: Prilog experimentalnoj primjeni Tri-Step antikonceptivnog sredstva nove generacije kod 20 tretiranih slucajeva.