7. "Multiple opiate receptors: functional implications" by Dixon, Viveros, Unsworth, Dilberto Jr, Way, Lewis, Chandra, Holaday, Long and Tortella

7. "Multiple opiate receptors: functional implications" by Dixon, Viveros, Unsworth, Dilberto Jr, Way, Lewis, Chandra, Holaday, Long and Tortella, Box: 17, Folder: 8. Personal Papers of Walter R. Dixon, PP 401. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/255551 Accessed December 25, 2025.