RT Journal Article SR Electronic T1 169. Continuous femoral blockade for major orthopaedic surgery: the value of a loss-of-resistance technique with saline (LORS) JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 62 OP 62 DO 10.1136/rapm-00115550-200509001-00114 VO 30 IS Suppl 1 A1 Restrepo, CE A1 Botero, LF A1 Manrique, H A1 Echavarría, G A1 Mejía, M A1 Uribe, Ma A1 Posada, E A1 Trujillo, L YR 2005 UL http://rapm.bmj.com/content/30/Suppl_1/62.1.abstract AB