Trichotillomania, obsessive-compulsive disorder, and tourette syndrome: comorbid relationships and risks for expression - O'Sullivan, Richard L.; Miguel Filho, Eurípedes Constantino; Coffey, Barbara; Rauch, Scott L.; Savage, Cary; Keuthen, Nancy J.; Baer, Lee; Jenike, Michael A. (CNS Spectrums, 1998)