Keerathikajornchai, Chatchadaporn, and Kumutnart Chanprapaph. “Unusual variant of keratoacanthoma with spontaneous regression”. Thai Journal of Dermatology 27, no. 2 (June 11, 2026): 142–146. accessed September 14, 2026. https://he02.tci-thaijo.org/index.php/TJD/article/view/282968.