Casella, Pietro, Romualdo Grande, Maria Straface, Massimo Pederzoli, Francesco Pitingolo, and Claudio Farina. “Nocardiosi: A Proposito Di Tre Casi”. Microbiologia Medica 21, no. 4 (December 31, 2006). Accessed February 28, 2020. https://www.pagepressjournals.org/index.php/mm/article/view/2919.