Teaching concepts in ultrasound-guided regional anesthesia Kessler, Jens; Wegener, Jessica T.; Hollmann, Markus W.; More Kessler, Jens; Wegener, Jessica T.; Hollmann, Markus W.; Stevens, Markus F. Less Current Opinion in Anaesthesiology. 29(5):608-613, October 2016. Abstract Abstract Favorite PDF Permissions Buy