%0 Journal Article %T Ultrasound Guided Obturator Versus Sciatic Nerve Block in Addition to Continuous Femoral Nerve Block for Analgesia After Total Knee Arthroplasty %A Keita Sato %A Seijyu Sai %A Naoto Shirai %A Takehiko Adachi %J Japanese Clinical Medicine %D 2011 %I %U http://www.la-press.com/ultrasound-guided-obturator-versus-sciatic-nerve-block-in-addition-to--a2754