Pattem of cerebral atherosclerosis in Hong Kong Chimese:severity in intracranial and extracranial vessels .2 Leung SY,Ng THK,Yuen ST et al. Stroke . 1993
Pattem of cerebral atherosclerosis in Hong Kong Chimese:severity in intracranial and extracranial vessels .2 Leung SY,Ng THK,Yuen ST et al. Stroke . 1993