Alex, Leesha, Laurie S Sadler, Helen Xu, Shirley A Anain, and Thomas N Helm. “Lip Pits: An Uncommon Clinical and Histologic Finding Associated With Underlying Genodermatoses and Developmental Anomalies”. North American Journal of Medicine and Science 8, no. 2 (April 30, 2015). Accessed April 30, 2026. https://www.najms.com/index.php/najms/article/view/56.