TY - JOUR T1 - The Continued Search for the Perfect AnalgesicCommentary on an article by Anshu Singh, MD, et al.: “Ultrasound-Guided Interscalene Block Anesthesia for Shoulder Arthroscopy. A Prospective Study of 1319 Patients” AU - Shilling, Ashley Y1 - 2012/11/21 N1 - 10.2106/JBJS.L.01066 JO - The Journal of Bone & Joint Surgery SP - e170 1 EP - 2 VL - 94 IS - 22 N2 - SN - 0021-9355 M3 - doi: 10.2106/JBJS.L.01066 UR - http://dx.doi.org/10.2106/JBJS.L.01066 ER -