GAETINI, A., M. CAMANDONA, M. GIACCONE, D. BERTERO, and R. IULIANI. 1998. “FISTULAS IN DIVERTICULAR DISEASE OF THE COLON”. Annali Italiani Di Chirurgia 69 (4):445-50. https://annaliitalianidichirurgia.it/index.php/aic/article/view/3196.