Frequency of obsessive and compulsive symptoms in patients with blepharospasm and hemifacial spasm - R.P. Munhoz; H.A.G. Teive; M.V. DellaColletta; F.M.B. Germiniani; F.M. Iwamoto; C.H.F. Camargo; L.C. Werneck (Arquivos de Neuro-Psiquiatria)