Comparison of the adductor pollicis, orbicularis oculi, and corrugator supercilii as indicators of adequacy of muscle relaxation for tracheal intubation

H. J Lee, K. S Kim, J. S Jeong, M. A Cheong and J. C. Shim

BJA: British Journal of Anaesthesia 102 ( 6 ): 869 - 874 , 2009