62
Participants
Start Date
October 9, 2018
Primary Completion Date
January 24, 2019
Study Completion Date
January 25, 2019
morning surgery
31 patients will be operated on between 8:00 and 12:00 in the morning.
afternoon surgery
31 patients will be operated on between 14:00 and 18:00 in the afternoon.
General hospital of Ningxia medical university, Yinchuan
General Hospital of Ningxia Medical University
OTHER