Russo, Roberto, Emanuele Cozzani, Federica D’Agostino, Antonio Guadagno, and Aurora Parodi. 2024. “A Solitary Pinkish Nodule on the Abdomen: A Quiz”. Acta Dermato-Venereologica 104 (April):adv18458. https://doi.org/10.2340/actadv.v104.18458.