"Effect of oral self-administration of cocaine on adrenal catecholamine levels and cardiovascular parameters in the conscious rat" - W.R. Dixon, B. Lau, A.P.L Chang, and J. Machado, Box: 20, Folder: 12. Personal Papers of Walter R. Dixon, PP 401. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/255649 Accessed December 21, 2024.