ANEMIA STATUS IN PATIENTS WITH GASTROINTESTINAL CANCER AFTER SURGERY AT THE ONCOLOGY CENTER, THAI NGUYEN NATIONAL HOSPITAL AND SOME RELATED FACTORS. YHCĐ [Internet]. 2026 May 25 [cited 2026 Sept. 9];67(5). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/5165