title: Procerus sign in progressive supranuclear palsy and corticobasal degeneration.
authors.forename: Mitsunori
authors.initials: M
authors.lastname: Morimatsu
mesh_terms: D000368:Aged; D001927:Brain Diseases / Q000175:diagnosis* / Q000503:physiopathology*; D005152:Facial Muscles / Q000503:physiopathology*; D019066:Facies; D005260:Female; D006801:Humans; D009460:Neurologic Examination; D013494:Supranuclear Palsy, Progressive / Q000175:diagnosis* / Q000503:physiopathology