Continuous Popliteal Sciatic Blocks: Does Varying Perineural Catheter Location Relative to the Sciatic Bifurcation Influence Block Effects? A Dual-Center, Randomized, Subject-Masked, Controlled Clinical TrialAmanda M. Monahan, Brian M. Ilfeld, Michael Donohue et al.|Anesthesia & Analgesia|2016Cited by 73