Taleb, Eyal, Ilan Goldberg, Eli Sprecher, and Shamir Geller. 2021. “Semi-Circular Depression on the Leg Diagnosed by High-Frequency Ultrasound: A Quiz”. Acta Dermato-Venereologica 101 (8):adv00524. https://doi.org/10.2340/00015555-3889.