ZHANG Xiong-wei, ZHANG Yi-shan, WANG Lei, WANG Cui-yu, LI Man, JIN Wen-jing, LI Qiu-li. Evaluation of Intracranial Collateral Circulation with Cervical Continuous-wave Doppler[J]. Journal of Clinical Medicine in Practice, 2007, (3): 43-46. DOI: 10.3969/j.issn.1672-2353.2007.03.012