Higuchi et. al, "Effect of Particle Size and Food on Gastric Residence Time of Non-disintegrating Solids in Beagle Dogs,", 1986

Higuchi et. al, "Effect of Particle Size and Food on Gastric Residence Time of Non-disintegrating Solids in Beagle Dogs,", 1986, Box: 10, Folder: 102. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124526 Accessed December 25, 2025.