title: The Hummingbird sign: a diagnostic clue for Steele-Richardson-Olszweski syndrome.
authors.affiliation: Department of General Medicine, Medical College and Hospital, Kolkata, West Bengal, India. nikhil_zenith@yahoo.co.in
authors.forename: Nikhil
authors.initials: N
authors.lastname: Sonthalia
authors.forename: Sayantan
authors.initials: S
authors.lastname: Ray
mesh_terms: D000368:Aged; D001284:Atrophy; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008636:Mesencephalon / Q000473:pathology*; D013494:Supranuclear Palsy, Progressive / Q000175:diagnosis* / Q000473:pathology