Ribeiro, Fani, Marcelo Aveiro, Mariana Leal, Tiago Valente, and Gorete Jesus. “An Acute Blue Finger: A Case of Achenbach’s Syndrome”. European Journal of Case Reports in Internal Medicine 6, no. 9 (August 30, 2019). Accessed April 29, 2024. https://www.ejcrim.com/index.php/EJCRIM/article/view/1231.