RT Journal Article SR Electronic T1 Reply to Drs Guffey and Fingerman JF Regional Anesthesia & Pain Medicine JO Reg Anesth Pain Med FD BMJ Publishing Group Ltd SP 289 OP 290 DO 10.1097/AAP.0000000000000366 VO 41 IS 2 A1 Samer N. Narouze A1 Honorio T. Benzon A1 David Provenzano A1 Asokumar Buvanendran A1 Marc A. Huntoon YR 2016 UL http://rapm.bmj.com/content/41/2/289.2.abstract AB