3ROSCH T. Endoscopic abstracts of the fifth united entopean gastroenterology week:introductory review [J].Endoscopy, 1996;28:650.
4COHEN RI, EDWARDS WT, KEZER EA, et al. Serial in- travenous doses of dezocine,morphine,and nalbuphine in the management of postoperative pain for outpatients [J].Anesth Analg, 1993:77:533-539.
