YIP, C.-S.; SIONG, K.-H.; LEE, H.-C. Expulsion of a Levonorgestrel-releasing Intrauterine System: a Retrospective Analysis. Hong Kong Journal of Gynaecology, Obstetrics and Midwifery, [S. l.], v. 18, n. 2, 2023. DOI: 10.12809/hkjgom.18.2.250. Disponível em: https://hkjgom.org/home/article/view/250. Acesso em: 2 may. 2024.