title: A monthly combination injectable: a new contraceptive option. Introduction.
authors.affiliation: Department of Obstetrics and Gynecology, University of Milan, Via Commenda, Milan 12-20129, Italy.
authors.forename: P
authors.initials: P
authors.lastname: Crosignani
mesh_terms: D003267:Contraception; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage* / Q000627:therapeutic use; D004333:Drug Administration Routes; D004334:Drug Administration Schedule; D005260:Female; D006801:Humans; D007273:Injections, Intramuscular
chemical_list: D003277:Contraceptives, Oral, Combined