Higuchi et. al, "Enhancement of Rectal Absorption of Insulin using Salicylates in Dogs,", 1983

Higuchi et. al, "Enhancement of Rectal Absorption of Insulin using Salicylates in Dogs,", 1983, Box: 10, Folder: 128. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124552 Accessed December 25, 2025.