5-HT2A promotor polymorphism - 1438G/A in children and adolescnets with obsessive-compulsive disorders. - Walitza,S.; Wewetzer,Ch.; Warnke,A.; Gerlach,M.; Geller,F.; Gerber,G.; Görg,T.; Herpertz-Dahlmann,B.; Schulz,E.; Remschmidt,H.; Hebebrand,J.; Hinney,A. (Mol Psychiatr, 2002)