title: Ulisprisal acetate: a novel molecule and 5-day emergency contraceptive.
authors.affiliation: Mark I. Nichols, MD, is from the Department of Obstetrics and Gynecology, Oregon Health Sciences University, Portland, Oregon; e-mail: nicholsm@ohsu.edu.
authors.forename: Mark I
authors.initials: MI
authors.lastname: Nichols
mesh_terms: D003271:Contraceptive Agents, Female; D003281:Contraceptives, Postcoital / Q000494:pharmacology; D004992:Ethics, Medical; D005260:Female; D006801:Humans; D016912:Levonorgestrel; D009649:Norpregnadienes / Q000494:pharmacology
chemical_list: D003271:Contraceptive Agents, Female; D003281:Contraceptives, Postcoital; D009649:Norpregnadienes; D016912:Levonorgestrel; C094854:ulipristal