@article{BallenbergervonPiekartz2012, author = {Nikolaus Ballenberger and Harry von Piekartz}, title = {Influence of Different Upper Cervical Positions on Electromyography Activity of the Masticatory Muscles}, series = {Journal of Manipulative and Physiological Therapeutics}, volume = {35}, number = {4}, pages = {308 -- 318}, year = {2012}, language = {en} }