RT Journal Article SR Electronic T1 Test Dose Reliably Confirms Successful Placement of Thoracic Epidural Block Within 8 Minutes of Dosing JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 17 OP 17 DO 10.1136/rapm-00115550-199823031-00017 VO 23 IS Suppl 1 A1 S J Holman A1 R R Bosco A1 M A Mazzilli A1 R A Rolain A1 T-C Kao YR 1998 UL http://rapm.bmj.com/content/23/Suppl_1/17.abstract AB