RT Journal Article SR Electronic T1 Tic-related obsessive–compulsive disorder JF Journal of Psychiatry and Neuroscience JO J Psychiatry Neurosci FD Canadian Medical Association SP 431 OP 432 DO 10.1503/jpn.180086 VO 43 IS 6 A1 Tamara Pringsheim A1 John Piacentini YR 2018 UL http://jpn.ca/content/43/6/431.abstract