1. USC School of Pharmacy History https://pharmacyschool.usc.edu/about/facts/history/
2. Flexner A Medical Education in the United States and Canada: A Report to the Carnegie Foundation for the Advancement of Teaching Boston, MA Updyke 1910
3. Tissue persistence of gentamicin in man;Schentag;JAMA,1977
4. A nomogram for digoxin therapy;Jelliffe;Am J Med,1974