Gooneratne Inuka Kishara, Caldera Manjula Chandragomi, Gamage Ranjanie, Samarathunga Shirani, Fernando Janakie
Institute of Neurology, National Hospital of Sri Lanka, Sri Lanka.
Ann Indian Acad Neurol. 2013 Jul;16(3):407-8. doi: 10.4103/0972-2327.116974.