Dung, Tran, Nguyen Hanh, Dang Tra, Truong Tien, Nguyen Linh, Nguyen Tuyen, Pham Thinh, Do Binh, Nguyen Hung, and Dang Chung. “The Relationship Between PD-L1 Expression and Clinicopathological Characteristics and Prognosis of Vietnamese Gastric Cancer Patients”. Biomedical Research and Therapy 9, no. 7 (July 30, 2022): 5130-5139. Accessed March 29, 2024. http://bmrat.org/index.php/BMRAT/article/view/748.