↑ “Receptors for diphenylbutylpiperidine neuroleptics in brain, cardiac, and smooth muscle membranes. Relationship with receptors for 1,4-dihydropyridines and phenylalkylamines and with Ca2+ channel blockade”.European Journal of Pharmacology141(2): 261–8.(September 1987).doi:10.1016/0014-2999(87)90271-8.PMID2445589.