Ardengh, J. C., Domene, C. E., Valiati, L. H. and Morrell, A. C. (2006) “Conservative management of esophageal perforation following obesity surgery”, São Paulo Medical Journal, 124(6), pp. 340–342. Available at: https://periodicosapm.emnuvens.com.br/spmj/article/view/2284 (Accessed: 16 October 2025).