Institution: | 1. Department of General surgery, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang, China;2. Department of Clinical Chinese Medicine Integrative With Western Medicine, International Education College, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, China;3. Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, China |