Meek E N, Butterworth J, Kon N D, Zvara D A, Ash G E, Martin T J
Department of Anesthesiology, Wake Forest University School of Medicine, Winston-Salem, North Carolina 27157-1009, USA.
Anesthesiology. 1998 Dec;89(6):1580-2. doi: 10.1097/00000542-199812000-00042.