Effect of dexmedetomidine on sedation on  the postoperative sleep status of  type 2 diabetes elderly patients undergoing spinal anesthesia
ZHAO Tong1， MA Xiaojing2*， ZHAO Jianhui2， LV Zhongli3， SONG Binqiang4， SONG Tieying2
Journal of Hebei Medical University . 2016, (11): 1298 -1301 .  DOI: 10.3969/j.issn.10073205.2016.11.015