"Changes in alpha-2 presynaptic receptor sensitivity during production of dependence to morphine in conscious rats" - W. R. Dixon, Juan Machado, Andi P. L. Chang, Box: 20, Folder: 10. Personal Papers of Walter R. Dixon, PP 401. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/255647 Accessed December 30, 2024.