Staltari, J. C.; Santos, J. L.; Giménez, F.; Fuentes, N. A.; Zalazar, P. S.; Aló, M. V.; Nieto, F. A. Prevention of Hemorrhage in the Early Postoperative Period of Bariatric Surgery. Role of Vitamin K. Rev Argent Cir 2021, 110, 86-90.