References
- Zhang C, Zhang M, Gong L, et al. The effect of early oral feeding after esophagectomy on the incidence of anastomotic leakage: an updated review. Postgrad Med. 2020;132(5):419–425.
- Weijs TJ, Berkelmans GH, Nieuwenhuijzen GA, et al. Immediate postoperative oral nutrition following esophagectomy: a multicenter clinical trial. Ann Thorac Surg. 2016;102(4):1141–1148.
- Oxford Centre for Evidence-Based Medicine. Levels of evidence. 2011. Available from: http://www.cebm.net/index.aspx?o=5653