“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 November 15, 2024. https://preservation.bmrat.org/index.php/BMRAT/article/view/748.