5Shaikh NA,Bhatty S,Irfan M,et al. Frequency,characteristics and risk factors of carotid artery stenosis in isehaemic stroke patients at Civil Hospital Karachi [J]. J Pak Med Assoc,2010,60( 1 ):8-12.
6Loftus IM,Naylor AR,Goodall S,et al. Increased matrix metalloproteinase-9 activity in unstable carotid plaques:a potential role in acute plaque disruption [J]. Stroke, 2000,31 ( 1 ) :40-47.
7Fisher M, Paganini HA, Martin A, et al. Carotid plague pathology: throm-bosis,ulceration,and stroke pathogenesis [J]. Stroke,2005,36 (2) :253- 257.
8Spagnoli LG, Mauriello A,Sangiorgi G,et al. Extracranial thrombotically active carotid plaque as a risk factor for ischemic stroke [J]. JAMA, 2004,292(15) : 1845-1852.
10Alvarez B,Ruiz C,Chacon P,et al. Serum values of metalloproteinase-2 and metalloproteinase-9 as related to unstable plaque and inflammatory ceils in patients with greater than 70% carotid artery stenosis [J]. J Vase Surg, 2004,40 ( 3 ) : 469-475.
