H. T. Nguyễn, Q. K. Bùi, T. H. Nguyễn, T. P. D. Nguyễn, and T. T. Nguyễn, “PREVALENCE OF PREOPERATIVE ANEMIA IN GASTROINTESTINAL CANCER: ASSESSMENT ASSOCIATED RISK FACTORS”, VMJ, vol. 538, no. 1, May 2024.