author:S. OR author:Gao OR author:K.S. OR author:Wong OR author:T. OR author:Hansberg OR author:W.W. OR author:Lam OR author:D.W. OR author:Droste OR author:E.B. OR author:Ringelstein OR Microembolic signal predicts recurrent cerebral ischemic events in acute stroke patients with middle cerebral artery stenosis
