D’Ambrosio, Giancarlo, Gianfrancesco Intini, Andrea Picchetto, Salvatore Campo, Andrea Balla, Silvia Quaresima, Alessandro M. Paganini, and Emanuele Lezoche. 2015. “Treatment of Recto-Vesical Fistula by Transanal Endoscopic Microsurgery Approach”. Annali Italiani Di Chirurgia 86 (5):456-58. https://annaliitalianidichirurgia.it/index.php/aic/article/view/1684.