Department of Gastroenterology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou 221002, China;
Department of Physiology, Xuzhou Medical College, Xuzhou 221002, China;
Department of Gastroenterology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou 221002, China;
Department of Physiology, Xuzhou Medical College, Xuzhou 221002, China;
Department of Gastroenterology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou 221002, China;
Department of Gastroenterology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou 221002, China;
Department of Physiology, Xuzhou Medical College, Xuzhou 221002, China;
Department of Gastroenterology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou 221002, China;
Department of Physiology, Xuzhou Medical College, Xuzhou 221002, China;
Department of Gastroenterology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou 221002, China;
Department of Physiology, Xuzhou Medical College, Xuzhou 221002, China;
Department of Gastroenterology, The Affiliated Hospital of Xuzhou Medical College, Xuzhou 221002, China;
Department of Physiology, Xuzhou Medical College, Xuzhou 221002, China;