Does femoral nerve catheter placement with stimulating catheters improve effective placement? A randomized, controlled, and observer-blinded trial. - Morin,AM.; Eberhart,LH.; Behnke,HK.; Wagner,S.; Koch,T.; Wolf,U.; Nau,W.; Kill,C.; Geldner,G.; Wulf,H. (Anesth Analg, 2005)