Hoc, T. H. ., N. D. Hieu, P. V. Phu, T. T. . Huong, and T. Q. Son. “Nutritional Status of Patients Undergoing Upper Gastrointestinal Cancer Surgery: A Cross-Sectional Study at a Single Centre”. Journal of Medical Research, vol. 148, no. 12, Dec. 2021, pp. 158-64, doi:10.52852/tcncyh.v148i12.565.