Higuchi, "In Vitro Drug Release from Ointments and Creams,", n.d

Higuchi, "In Vitro Drug Release from Ointments and Creams,", n.d, Box: 10, Folder: 10. Personal papers of Takeru Higuchi, PP 359. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/124434 Accessed December 24, 2025.