Trichotillomania comorbidity in a sample enriched for familial obsessive-compulsive disorder oleh Ted Avi Gerstenblith, Ashley Jaramillo-Huff, Tuua Ruutiainen, Paul S. Nestadt, Jack F. Samuels, Marco A. Grados, Bernadette A. Cullen, Mark A. Riddle, Kung-Yee Liang, Benjamin D. Greenberg, Steven A. Rasmussen, Scott L. Rauch, James T. McCracken, John Piacentini, James A. Knowles, Gerald Nestadt, O. Joseph Bienvenu