Aripiprazole, a novel antipsychotic drug, inhibits quinpirole-evoked GTPase activity but does not up-regulate dopamine D2 receptor following repeated treatment in the rat striatum. - Inoue,A.; Miki,S.; Seto,M.; Kikuchi,T.; Morita,S.; Ueda,H.; Misu,Y.; Nakata,Y. (Eur J Pharmacol, 1997)