机构:
Univ Occupat & Environm Hlth, Dept Internal Med 3, Kume K Lab Endoscopy, Japan Sch Med,Yahatanishi Ku, Kitakyushu 8078555, JapanUniv Occupat & Environm Hlth, Dept Internal Med 3, Kume K Lab Endoscopy, Japan Sch Med,Yahatanishi Ku, Kitakyushu 8078555, Japan