TY - China Oncology A1 - LI Fei , SONG Yuan , LI Fang , ZHU Xiyang , HE Ming T1 - Treatment effect of thoracic surgery for Siewert type Ⅰ and type Ⅱ adenocarcinoma of the esophagogastric junction and prognostic study Y1 - 2021-02-28 JF - China Oncology JO - China Oncology SP - 143 EP - 150 VL - 31 IS - 2 UR - http://www.china-oncology.com N1 - 10.19401/j.cnki.1007-3639.2021.02.009 ER -