Sukakul, Thanisorn, and Supenya Varothai. “Sparing phenomenon of cutaneous small-vessel vasculitis around solar lentigines and peripheral halo”. Thai Journal of Dermatology 33, no. 4 (December 1, 2017): 292–296. accessed October 3, 2026. https://he02.tci-thaijo.org/index.php/TJD/article/view/159097.