Institution: | 1. The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
Department of Pharmacy, The First Hospital of Lanzhou University, Lanzhou, China;2. Department of Gastroenterology, The First Hospital of Lanzhou University, Lanzhou, China
Key Laboratory for Gastrointestinal Diseases of Gansu Province, Lanzhou University, Lanzhou, China;3. The First School of Clinical Medicine, Lanzhou University, Lanzhou, China |