A proof of concept study of tolcapone for pathological gambling: relationships with COMT genotype and brain activation.
Grant JE, Odlaug BL, Chamberlain SR, Hampshire A, Schreiber LR, Kim SW. A proof of concept study of tolcapone for pathological gambling: relationships with COMT genotype and brain activation. Eur Neuropsychopharmacol. 2013 Nov; 23(11):1587-96.