Postoperative analgesia effects of parecoxib sodium preemptive analgesia for abdominal surgery in elderly patients
ZHANG Jinli,YAN Hongli,JIN Xiaoshi
Medical Reserch and Education . 2014, (2): 30 -32,59 .  DOI: 10.3969/j.issn.1674-490X.2014.02.008