John, M., R. Nair, A. M. Babu, S. Rajendran, and E. J. David. “A Case Report on Cerebrotendinous Xanthomatosis”. International Journal of Research in Medical Sciences, vol. 3, no. 9, Jan. 2017, pp. 2471-4, doi:10.18203/2320-6012.ijrms20150654.