Gulati, AVirmani, VSingh, PKhandelwal, N2009-01-242009-06-032009-01-242009-06-032009-01-24Gulati A, Virmani V, Singh P, Khandelwal N. The hot cross bun sign. Neurology India. 2009 Jan-Feb; 57(1): 104-5http://imsear.searo.who.int/handle/123456789/120092engJournal Article