Locci-Molina, Natalie, Annie Wang, and George Kroumpouzos. “Melasma Improving Spontaneously Upon Switching from a Combined Oral Contraceptive to a Hormone-Releasing Intrauterine Device: A Report of Four Cases”. Acta Dermato-Venereologica 95, no. 5 (November 24, 2014): 624–625. Accessed October 4, 2024. https://medicaljournalssweden.se/actadv/article/view/5808.