PT - JOURNAL ARTICLE AU - Steven L. Orebaugh AU - Brian A. Williams AU - Paul E. Bigeleisen TI - The Up-Down Methodology and Practical Peripheral Nerve Blockade AID - 10.1097/AAP.0b013e3181f02b46 DP - 2010 Aug 01 TA - Regional Anesthesia & Pain Medicine PG - 480-481--480-481 VI - 35 IP - 5 4099 - http://rapm.bmj.com/content/35/5/480-481.short 4100 - http://rapm.bmj.com/content/35/5/480-481.full SO - Reg Anesth Pain Med2010 Aug 01; 35