6Wardlaw JM, Warlow CP. Thrombolysis in acute ischemic stroke:does it work[J]? Stroke, 1992,23:646-652.
7Zeumer H,Freitag HJ, Zanella F,et al. Local intraarterial fibrinolytic therapy in patients with stroke: urokinase versus rt-PA [J]. Neuroradiology. 1992,35:146-152.
8Byrne JV. Interventional neuroradiology: an emerging subspe ciality[J]. Clin Radiol,1997,52:898-899.
9Wardlaw JM,Warlow CP,Counsell C. Systematic review of evidence on thrombolytic therapy for acute ischemic stroke [J].Lancet, 1997,350: 607-614.
10Wahlgren NG. A review of earlier clinical studies on neuroprotective agents and current approaches [J]. Int Rev Neuorbiol,1997,40:337-363.