de Almeida, A M, C W Gracias, N M dos Santos, and F J Aldeia. 1983. “ Anastomosis--a Review of 35 Esophageal and 113 Large Bowel Cases”. Acta Médica Portuguesa 4 (7-8). Lisbon, Portugal:343-48. https://doi.org/10.20344/amp.3826.