Neri, Maria Cristina, Nadia Antoniotti, Maria Benvenuto, Sergio Frugoni, Francesco Riboldi, and Vito Noto. “An Atypical Case of Infection by Clostridium Difficile”. Microbiologia Medica 25, no. 3 (September 30, 2010). Accessed June 1, 2020. https://www.pagepressjournals.org/index.php/mm/article/view/mm.2010.2435.