Samia RM El Ammari, Shisana M. Baloyi,. “Multiple Ectopic Breast Tissue With a Large Lactating Vulvar Mass in a Postpartum Period”. Obstetrics and Gynaecology Forum, vol. 32, no. 03, Nov. 2022, pp. 15–17, http://obstetricsandgynaecologyforum.com/index.php/ogf/article/view/18.