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1 School of Pharmacy, University of California Medical Center, San Francisco, California
An absorption rate hypothesis is presented to relate absorption rate of implanted solid drugs to the various physical and chemical properties of the drugs and fluids at the site. Equations were developed to account for the absorption of certain organic weak acids, weak bases, and neutral compounds and tested for validity with experimental results found by implantation into rats of a number of substances in these classes. Experimentally observed and theoretically calculated absorption rates were in reasonable agreement.
Submitted on June 26, 1961