sreeramulu, D., Quraishi, S.S., PV, H. and Theja, C.R. 2014. Mickey Mouse sign and Humming Bird sign: Diagnostic Clue of Progressive Supranuclear Palsy. International Journal of Medical Research and Review. 2, 5 (Oct. 2014), 504-506. DOI:https://doi.org/10.17511/ijmrr.2014.i05.16.