A Retrospective Analysis for Patients with HER2-Positive Gastric Cancer Who Were Treated with Trastuzumab-Based Chemotherapy: In the Perspectives of Ethnicity and Histology - Hyun Jin Baek; Jun Ho Ji; Jung Hun Kang; Joon Oh Park; Do Hyoung Lim; Sun Young Rha; Young Woong Won; Seung Tae Kim; Moon Jin Kim; Ho Yeong Lim; Jeeyun Lee; Soon Il Lee; et al. (Cancer Research and Treatment, 2016)