Is adenocarcinoma of esophagogastric junction an independent distinct entity? 
Liu Junna, Liu Lijuan, Zhao Kaile, Niu Qiong
International Medicine and Health Guidance News . 2022, (17): 2406 -2410 .  DOI: 10.3760/cma.j.issn.1007-1245.2022.17.008