“Results of concurrent HER2 (CERB-B2) staining in the primary tumor and lymph node metastasis in advanced stage gastric carcinoma ”, Ann Med Res , vol. 27, no. 9, pp. 2234–2239, May 2021, Accessed: Apr. 03, 2025. [Online]. Available: http://annalsmedres.org/index.php/aomr/article/view/966