KNOTLESS UNIDIRECTIONAL BARBED SUTURES. SAFE TECHNIQUE TO CLOSE INTESTINAL OPENINGS IN LAPAROSCOPIC BARIATRIC SURGERY? RETROSPECTIVE REVIEW IN 612 OPERATIONS Post-operative complications - Castellon Pavon, C J; Garcia Munoz-Najar, A; Ferrigni Gonzalez, C; Ruiz-Tovar Polo, J; Artunedo Pe, P; Zarain Obrador, L; Duran Poveda, M (Obesity Surgery, 2019)