Presynaptic opiate receptor-mediated inhibition of endogenous norepinephrine and dopamine-b-hydroxylase release in the cat spleen, independent of the presynaptic alpha adrenoceptors, Box: 18, Folder: 47. Personal Papers of Walter R. Dixon, PP 401. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/255588 Accessed January 18, 2025.