Sonthalia, Sidharth. “Dermoscopy of Cydnidae Pigmentation: A Novel Disorder of Pigmentation”. Dermatology Practical & Conceptual 9, no. 2 (July 31, 2019): 228-229. Accessed December 16, 2019. http://dpcj.org/index.php/dpc/article/view/dermatol-pract-concept-articleid-dp0903a15.