S. Farrugia, D. Micallef, D. Pisani, A. Betts, S. Vella, and M. J. Boffa, “Retiform Purpura of the Lower Limbs Associated with Levamisole-Adulterated Cocaine”, EJCRIM, vol. 9, no. 4, Apr. 2022, doi: 10.12890/2022_003353.