Ruiz-Villaverde R, Sánchez-Cano D. Multiple Pyoderma Gangrenosum Ulcers Associated with Cocaine Abuse. Sultan Qaboos Univ Med J [Internet]. 2016Nov.1 [cited 2024May4];16(4):527-8. Available from: https://journals.squ.edu.om/index.php/squmj/article/view/2200