Extracranial and intracranial arterial stenoocclusive disease in acute ischemic stroke patients: A study from north India - Evaluation with MR angiography Journal title: Indian Journal of Neurosciences Authors: Trilochan Srivastava, Sujit Kumar, Vijay Sardana, Piyush Ojha, Dilip Maheshwari, Bharat Bhushan Subject(s):