Effect of Lumbar Flexion on the Extent of Epidural Blockade
Jin-Tae Kim, Jong-Hwan Lee, Seung-Zhoo Yoon, Young-Jin Lim, Jae-Hyon Bahk, Chong-Sung Kim, Yunseok Jeon
Regional Anesthesia & Pain Medicine Nov 2007, 32 (6) 471-474; DOI: 10.1016/j.rapm.2007.04.010