Li, Yuelin, Xiao Tan, Hong Ren, Guangquan Ji, and Renqiong Chen. 2026. “A Reddish Nodule on the Scalp: A Quiz”. Acta Dermato-Venereologica 106 (April):adv-2026. https://doi.org/10.2340/actadv.v106.adv-2026-0426.