Clinical features of tic-related obsessive-compulsive disorder: results from a large multicenter study - Alvarenga, Pedro Gomes de; Mathis, Maria Alice de; Alves, Anna Claudia Dominguez; Rosário, Maria Conceição do; Fossaluza, Victor; Hounie, Ana Gabriela; Miguel, Euripedes Constantino; Torres, Albina Rodrigues (CNS Spectrums: International Journal of Neuropsychiatric Medicine, 2012)