Kuo John S, Yu Cheng, Petrovich Zbigniew, Apuzzo Michael L J
Department of Neurological Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California 90033-1029, USA.
Neurosurgery. 2003 Nov;53(5):1235-9; discussion 1239. doi: 10.1227/01.neu.0000089485.47590.05.