title: Calcification of the substantia nigra in a patient with an akinetic rigid syndrome.
authors.forename: O C
authors.initials: OC
authors.lastname: Cockerell
mesh_terms: D002114:Calcinosis / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D013378:Substantia Nigra / Q000473:pathology*; D014057:Tomography, X-Ray Computed