Pyne, John H., Esther Myint, Simon P. Clark, Maddie Gorji, and Ruihang Hou. “Early Squamous Cell Carcinoma With Perineural Invasion: A Prospective Study Examining Anatomic Site, Tumor Surface Diameter, Invasion Depth, and Grade of Differentiation in 1,772 Consecutive Cases”. Dermatology Practical & Conceptual 10, no. 3 (June 29, 2020): e2020059. Accessed April 19, 2026. https://mail.dpcj.org/index.php/dpc/article/view/dermatol-pract-concept-articleid-dp1003a59.