Mangiavillano B, Caruso A, Manta R, Di Mitri R, Arezzo A, Pagano N, Galloro G, Mocciaro F, Mutignani M, Luigiano C, Antonucci E, Conigliaro R, Masci E. Over-the-scope clips in the treatment of gastrointestinal tract iatrogenic perforation: A multicenter retrospective study and a classification of gastrointestinal tract perforations. World J Gastrointest Surg 2016; 8(4): 315-320 [PMID: 27152138 DOI: 10.4240/wjgs.v8.i4.315]