共 11 条
[9]
The postoperative analgesic effi-cacy of intraperitoneal tramadol compared to normal saline or intrave-nous tramadol in laparoscopic cholecystectomy. Akinci SB,,Ayhan B,Aycan IO,et al. European Journal of Anaesthesiology . 2008
[10]
The effects of single-dose tramadol on post-operative pain and morphine requirements after coronary artery bypass surgery. But AK,Erdil F,Yucel A,et al. Acta Anaesthesiologica . 2007