Mathew Thomas, Srinivas Dwarakanath, Aroor Sushanth, Prasad Chandrajit, Somanna Sampath, Nadig Raghunandan, Sarma G R K
St. John's Medical College, Bangalore, India.
J Headache Pain. 2012 Aug;13(6):491-2. doi: 10.1007/s10194-012-0457-2. Epub 2012 Jun 9.