510080,广州中山医科大学第一附属医院消化科;
510080,广州中山医科大学第一附属医院消化科;
Departments of Medicine, The University of Hong Kong,Queen MaryHospital,Hong Kong;
Departments of Medicine, The University of Hong Kong,Queen MaryHospital,Hong Kong;
Departments of Medicine, The University of Hong Kong,Queen MaryHospital,Hong Kong;