title: Tonic lip deviation as a distinctive form of psychogenic facial dystonia.
authors.affiliation: Department of Neurology and Psychiatry, "Sapienza" University, Viale dell' Università 30, 00185 Rome, Italy. Electronic address: carlo.colosimo@uniroma1.it.
authors.forename: Carlo
authors.initials: C
authors.lastname: Colosimo
mesh_terms: D000328:Adult; D020821:Dystonic Disorders / Q000503:physiopathology*; D006801:Humans; D008046:Lip / Q000503:physiopathology*; D008297:Male
keywords: Cranial dystonia; Hemifacial spasm; Psychogenic disorders