Higuchi et. al, "Investigation of Drug Release from Solids. II. Theoretical and Experimental Study of Influences of Bases and Buffers on Rates of Dissolution of Acidic Solids,", 1958, Box: 10, Folder: 183. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124607 Accessed June 02, 2024.