“Collision Skin lesions—results of a Multicenter Study of the International Dermoscopy Society (IDS)”. Dermatology Practical & Conceptual 7, no. 4 (October 31, 2017): 51–62. Accessed May 1, 2024. https://dpcj.org/index.php/dpc/article/view/dermatol-pract-concept-articleid-dp0704a12.