Higuchi et. al, "Effect of enamine derivatives on the rectal absorption of insulin in dogs and rabbits,", 1983

Higuchi et. al, "Effect of enamine derivatives on the rectal absorption of insulin in dogs and rabbits,", 1983, Box: 10, Folder: 100. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124524 Accessed December 25, 2025.