Farrugia, Stephanie, Daniel Micallef, David Pisani, Alexandra Betts, Sandro Vella, and Michael J Boffa. “Retiform Purpura of the Lower Limbs Associated With Levamisole-Adulterated Cocaine”. European Journal of Case Reports in Internal Medicine 9, no. 4 (April 28, 2022). Accessed April 16, 2024. https://www.ejcrim.com/index.php/EJCRIM/article/view/3353.