Gaspard, U [Ulipristal acetate: an emergency contraception extended to 5 days using a progesterone receptor modulator (Ellaone)]. [electronic resource] - Revue medicale de Liege Dec 2010 - 700-5 p. digital Publication Type: Journal Article ISSN: 0370-629X Subjects--Topical Terms: Contraception, PostcoitalContraceptives, Postcoital--pharmacologyFemaleHumansNorpregnadienes--pharmacology