RT Journal Article SR Electronic T1 PSOAS Compartment Block, Clinical Efficiency in 116 Patients JF Regional Anesthesia: The Journal of Neural Blockade in Obstetrics, Surgery, & Pain Control JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 95 OP 95 DO 10.1136/rapm-00115550-199722021-00095 VO 22 IS Suppl 2 A1 Pascal Bruelle A1 Vincent Piffault A1 Jacques Ripart A1 Christine Van Roy A1 Roselyne Mangin A1 Jean Jacques Eledjam YR 1997 UL http://rapm.bmj.com/content/22/Suppl_2/95.abstract AB