3Chacko AG, Kumar NKS, Chacko G, et al. Intraoperative ultrasound in determining the extent of resection of parenchymal brain tumours a comparative study with computed tomography and histopathology [ J ]. Acta Neurochir, 2003 , 145(9) :743 -748.
4Mathiesen T, Peredo I, Edner G, et al. Neuronavigation for arteriovenous malformation surgery by intraoperative three - dimensional ultrasound angiography [ J ]. Neurosurgery,2007 ,60 ( 2 ) : 345 - 351.
5Katisko J, Koivukangas J. Optically neuronavigated ultrasonography in an intraoperative magnetic resonance imaging environment[ J ]. Neurosurgery, 2007 , 60 ( 2 ) : 373 - 381.