1Liu Y, Tao R, Liu F, et al. Mid-term outcomes after intra- medullary fixation of peritrochanteric femoral fractures using the new proximal femoral nail antirotation (PFNA)[J ]. Inju- ry, 2010, 41(8): 810-817.
2Pandazi A, Kapota E, Matsota P, et al. Preincisional versus postincisional administration of parecoxib in colorectal sur- gery: effect on postoperative pain control and cytokine re- sponse.A randomized clinical trial [J].World J Surg, 2010, 34 (10) :2463 -2469.
3Kyriakidis AV, Perysinakis I, Alexandris I, et al.Pareeoxib sodium in the treatment of postoperative pain after Liehten- stein tension-free mesh inguinal hernia repair [J].Hernia, 2011,15( 17): 59-64.
4Chou LB, Wagner D, Witten DM, et al. Postoperative pain following foot and ankle surgery: a prospective study[J]. Foot Ankle Int, 2008, 29(11):1063-1068.
5Liu Y, Tao R, Liu F, et al. Mid-term outcomes after in- tramedullary fixation of peritrochanteric femoral fractures using the new proximal femoral nail antirotation (PFNA)[J]. Injury, 2010, 41(8):810-817.
6Sibille KT, Kindler LL, Glover TL, et al. Individual differ- ences in morphine and butorphanol analgesia: a laboratory pain study[J]. Pain Med, 2011, 12(7):1076-1085.
7Maund E, Mcdaid C, Rice S, et al. Paracetamol and se- lective and non-selective non-steroidal anti-inflammatory drugs for the reduction in morphine-related side-effects after major surgery: a systematic review[J]. Br J Anaesth, 2011, 106(3):292-297.
8Gharagozlou P, Demirci H, David Clark J, et al. Activity of opioid ligands in cells expressing cloned mu opioid re- ceptors[J]. BMC Pbarmacol, 2003, 3:1.
9Yeh YC, Lin TF, Lin FS, et al. Combination of opioid ag- onist and agonist-antagonist: patient-controlled analgesia requirement and adverse events among different-ratio morphine and nalbupbine admixtures for postoperative pain[J]. Br J Anaesth, 2008, 101(4):542-548.
10Smith T,Hameed Y,Cross J,et al.Assessment of people with cognitive impairment and hip fracture: as ystematic re- view and meta-analysis[J].Arch Gerontol Geriatr,2013,57 (2): 117-126.