Family genetic and phenomenological studies support an interrelationship between Gilles de la Tourette syndrome (GTS) and obsessive-compulsive disorder (OCD). Some authors consider GTS as part of a serotonergically mediated cluster of OCD spectrum disorders.
The effect of m-CPP on tics and obsessive-compulsive phenomena in Gilles de la Tourette syndrome.
CHDR
Cath DC, Gijsman HJ, Schoemaker RC, van Griensven JM, Troost N, van Kempen GM, Cohen AF