"Soichiro;Ako|Seiji;Kawano|Hiroyuki;Okada|","Gastric Adenocarcinoma and Proximal Polyposis of the Stomach Occurring With Ball Valve Syndrome","Clinical Gastroenterology and Hepatology","15423565","2020-07-23","20","2","e12","e13","isVersionOf https://doi.org/10.1016/j.cgh.2020.07.044","32712389","","https://ousar.lib.okayama-u.ac.jp/60507","10.1016/j.cgh.2020.07.044"