Ophthalmologic Features of Parkinson's Disease
Neurol 62:177-180, Biousse,V.,et al, 2004
Reversible Chorea and Focal Dystonia in Vitamin B12 Deficiency
NEJM 347:295, Pacchetti,C.,et al, 2002
Blinking & Blepharospasm, Mechanism, Diagnosis, & Management
JAMA 248:3160-3164, Jankovic,J.,et al, 1982
Case Records of MGH-NEJM 285:621
1971., , 1971