Sakai, Hiroshi, Kyoko Tonomura, Hirotsugu Shirabe, and Masaru Tanaka. “Assessment of the Colors of the Melanin Pigment in Acral Compound Nevus by Using a Novel Dermoscopy Technique With Surgical Light Illumination and Saturation Analysis”. Dermatology Practical & Conceptual (October 31, 2019). Accessed October 5, 2025. https://dpcj.org/index.php/dpc/article/view/dermatol-pract-concept-articleid-dp0404a09.