Study of HER2 Expression and its Relation to Tumor Characteristics among Gastric Adenocarcinoma Patients of Firoozgar Hospital, Tehran, Iran; in 2010 and 2011 - Basi, Ali; Raoofi, Atefeh; Vaseghi, Hamed; Zare-Mehrjardi, Ali (International Journal of Hematology-Oncology and Stem Cell Research, 2015)