Pharmacology II -p[harmacology] and tx [toxicology] 680 calcium and v[itamin] D, Summer 1981, Box: 29, Folder: 82-86. Personal Papers of Walter R. Dixon, PP 401. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/255979 Accessed March 12, 2025.