4Sattari M, Baghdadchi ME, Kheyri M, et al. Study of Patient Pain Management after Heart Surgery [J ]. Adv Pharm Bull, 2013,3 ('2) :373-377.
5Maxwell C, Nicoara A. New deyelopments in the treatment of acute pain after thoracic surgery[ J]. Curr Opir/Anaesthesiol, 201'3 Nbv 26. [Epub ahead of print].
6Fukuda K. Opioids, In: Miller RO Anesthesia[ M]. th ed. Philadelphia: Churchill Livingstone, 20117 : 769-824.
7,Duarte LT, Fermandes Mdo C, Costa W, The incidence of post,p- "rative respiratory depression in patients undergoing intravenouS;or epidural analgesia with opioids [ J ]. Rev Sras'An6stesiol, 2009, 59(4) :409-420.
8I Prasad Verma PR, Chandak AR. Development of matrix controlled transdermal delivery systems of pentazocine: In vitro/in vivo per- formance[J]. Acta Pharrn, 2009,59(2) :171-186.
9Gear RW, Gordon NC, Heller PH, et al. Gender difference in an- klgesic response to the kappa-opioid pentazocine [ J ]. Neurosci Lett, 1996,205 ( 3 ) :207-209.
10Magrini M, Rivoha G, Bolis C, et al. Analgesic activity of tramad- ol and pentazocine in postoperative pain[ J]. Int J Clin Pharmacol Res, 1998,18 (2) :87-92.