Vyas Sameer, Prabhakar Anuj, Kumar Ajay, Khandelwal Niranjan
Department of Radiodiagnosis and Imaging, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Ann Indian Acad Neurol. 2013 Jul;16(3):404-5. doi: 10.4103/0972-2327.116971.