Clinical Medical college Yangzhou University Yangzhou 225001 Jiangsu China;
Department of General Surgery Institute of General Surgery Clinical Medical College Yangzhou University Yangzhou 225001 Jiangsu China;
Clinical Medical college Yangzhou University Yangzhou 225001 Jiangsu China;
Department of General Surgery Institute of General Surgery Clinical Medical College Yangzhou University Yangzhou 225001 Jiangsu China;
Clinical Medical college Yangzhou University Yangzhou 225001 Jiangsu China;
Department of General Surgery Institute of General Surgery Clinical Medical College Yangzhou University Yangzhou 225001 Jiangsu China;
Department of General Surgery Institute of General Surgery Clinical Medical College Yangzhou University Yangzhou 225001 Jiangsu China;
Department of General Surgery Institute of General Surgery Clinical Medical College Yangzhou University Yangzhou 225001 Jiangsu China;
Department of General Surgery Institute of General Surgery Clinical Medical College Yangzhou University Yangzhou 225001 Jiangsu China;
Department of General Surgery Institute of General Surgery Clinical Medical College Yangzhou University Yangzhou 225001 Jiangsu China;