title: Reply. Letter to the editor. Hillemanns Peter, Hepp Hermann, Letter to the Editor: K. Gemzell-Danielsson et al. Emergency contraception - mechanisms of action.
authors.affiliation: Department of Women's and Children's Health, Division of Obstetrics and Gynecology, Karolinska Institutet, Karolinska University Hospital, Stockholm 171 76, Sweden.
authors.forename: Kristina
authors.initials: K
authors.lastname: Gemzell-Danielsson
authors.forename: P G L
authors.initials: PG
authors.lastname: Lalitkumar
authors.forename: Cecilia
authors.initials: C
authors.lastname: Berger
mesh_terms: D044363:Contraception, Postcoital / Q000379:methods*; D003271:Contraceptive Agents, Female / Q000494:pharmacology*; D005260:Female; D006801:Humans; D007435:Intrauterine Devices, Copper; D016912:Levonorgestrel / Q000494:pharmacology*; D008297:Male; D009649:Norpregnadienes / Q000494:pharmacology*; D011247:Pregnancy
chemical_list: D003271:Contraceptive Agents, Female; D009649:Norpregnadienes; D016912:Levonorgestrel