Procerus sign in progressive supranuclear palsy.
Romano
S
S
Colosimo
C
C
D005149:Facial Expression; D005152:Facial Muscles / Q000503:physiopathology; D019066:Facies; D006801:Humans; D013494:Supranuclear Palsy, Progressive / Q000175:diagnosis* / Q000503:physiopathology