18. "Role of plasma catecholamines in eliciting cardiovascular changes seen during naloxone-precipitated withdrawal in conscious, unrestrained morphine-dependent rats" by Andi Piang-Ling Chang and Walter R. Dixon

18. "Role of plasma catecholamines in eliciting cardiovascular changes seen during naloxone-precipitated withdrawal in conscious, unrestrained morphine-dependent rats" by Andi Piang-Ling Chang and Walter R. Dixon, Box: 17, Folder: 19. Personal Papers of Walter R. Dixon, PP 401. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/255562 Accessed December 25, 2025.