Higuchi et. al, "Mutual Independence of Release Rates of Steroids from a Topical Vehicle. Implications for Potentially Optimal Formulations,", 1965, Box: 11, Folder: 15. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124649 Accessed December 30, 2024.