Effects of the competitive N-methyl-D-aspartate receptor antagonist, LY235959 [(-)-6-phosphonomethyl-deca-hydroisoquinoline-3-carboxylic acid], on responding for cocaine under both fixed and progressive ratio schedules of reinforcement.
Allen RM, Carelli RM, Dykstra LA, Suchey TL, Everett CV. Effects of the competitive N-methyl-D-aspartate receptor antagonist, LY235959 [(-)-6-phosphonomethyl-deca-hydroisoquinoline-3-carboxylic acid], on responding for cocaine under both fixed and progressive ratio schedules of reinforcement. J Pharmacol Exp Ther. 2005 Oct; 315(1):449-57.