Regional cerebral blood flow (rCBF) findings in drug-free obsessive compulsive disorder (OCD) patients with and without TICS and TIC-LIKE compulsions - Busatto, Geraldo; Zamignani, Denis R; Buchpiguel, Carlos Alberto; Garrido, Griselda E; Rocha, Euclides T; Campos, Maria C. Rosário; Miguel Filho, Eurípedes Constantino (Annual Meeting American College of Neuropsychopharmacology, 1998)