Affiliation: | 1. Department of Neurosurgery, AnNing Branch Hospital, Lanzhou General Hospital of Lanzhou Military Command, Lanzhou, 730070, Gansu Province, China 2. Department of Orthopedics, AnNing Branch Hospital, Lanzhou General Hospital of Lanzhou Military Command, Lanzhou, 730070, Gansu Province, China 3. Department of Neurosurgery, Lanzhou General Hospital of Lanzhou Military Command, Lanzhou, 730050, Gansu Province, China 4. Laboratory Animal Center of Lanzhou University, Lanzhou, 730000, Gansu Province, China
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