A retrospective study of analgesia efficacy and its side effect in 127 patients undergoing selective neurosurgery
XIAO Wei, WANG Tianlong, ZHAO Lei, ZHANG Ting
Chinese Journal of Contemporary Neurology and Neurosurgery . 2011, (4): 453 -457 .  DOI: 10.3969/j.issn.1672-6731.2011.04.017