RT Journal Article SR Electronic T1 Brachial Plexus Block with Bupivacaine or Bupivacaine Plus Fentanyl: A Comparative Study JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 5 OP 5 DO 10.1136/rapm-00115550-199318011-00005 VO 18 IS Suppl 1 A1 Rioko K. Sakata A1 Emilia M. Soares A1 Heitor H. Yassuda A1 Maria Ângela Tardelli A1 Nilza M. Iwata A1 Américo M. Yamashita YR 1993 UL http://rapm.bmj.com/content/18/Suppl_1/5.abstract AB