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^ abBurstein ES, Ma J, Wong S, Gao Y, Pham E, Knapp AE, et al. (December 2005). "Intrinsic efficacy of antipsychotics at human D2, D3, and D4 dopamine receptors: identification of the clozapine metabolite N-desmethylclozapine as a D2/D3 partial agonist". The Journal of Pharmacology and Experimental Therapeutics. 315 (3): 1278–1287. doi:10.1124/jpet.105.092155. PMID16135699. S2CID2247093.