KARATAS, A.; ILGIN, H.; OZLU, T. Ectopic pregnancy after levonorgestrel emergency contraception. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 2, n. 4, p. 749–750, 2016. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/295. Acesso em: 9 oct. 2025.