Combination of Epidural Morphine and Fentanyl for Postoperative Analgesia
Makoto Tanaka, Masato Okane, Seiji Watanabe, Yoshihiro Hamaya, Takuo Endo
Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control Jul 1991, 16 (4) 214-217; DOI: 10.1136/rapm-00115550-199116040-00006