BMC gastroenterology
D055088:Early Detection of Cancer; D005773:Gastroscopy; D006761:Hospitals; D006801:Humans; D008403:Mass Screening; D012189:Retrospective Studies; D013274:Stomach Neoplasms
Zhou Qingjie Q ;Chen Yihan Y ;Pan Jie J ;Zhou Leying L ;Lin Jiejun J 