Akay, Ebru, Fatos Tekelioglu, Saliha Karagoz Eren, Yunus Donder, and Hatice Karaman. 2021. “Results of Concurrent HER2 (CERB-B2) Staining in the Primary Tumor and Lymph Node Metastasis in Advanced Stage Gastric Carcinoma”. Annals of Medical Research 27 (9):2234-39. https://annalsmedres.org/index.php/aomr/article/view/966.