Singh Paramjeet, Vyas Sameer, Gogoi Dhrubajyoti, Khandelwal Niranjan
Department of Radiodiagnosis, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
Ann Indian Acad Neurol. 2011 Apr;14(2):136-7. doi: 10.4103/0972-2327.82814.