Higuchi et. al, "Enhanced Rectal Absorption of Theophylline, Lidocaine, Cefmetazole, and Levodopa by Several Adjuvants,", 1982

Higuchi et. al, "Enhanced Rectal Absorption of Theophylline, Lidocaine, Cefmetazole, and Levodopa by Several Adjuvants,", 1982, Box: 10, Folder: 122. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124546 Accessed December 25, 2025.