RT Journal Article SR Electronic T1 Epidural Versus General Anaesthesia for Total Hip Arthroplasty in Elderly 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 42 OP 42 DO 10.1136/rapm-00002370-198101000-00011 VO 6 IS 1 A1 Jordan Katz YR 1981 UL http://rapm.bmj.com/content/6/1/42.1.abstract AB