1. The use of scintigraphic methods for the evaluation of drug dosage forms in the gastrointestinal tract;Davis,1983
2. The design and evaluation of controlled release delivery systems for the GI tract;Davis;J. Controlled Release,1985
3. Studies on the gastrointestinal transit of dosage forms in human subjects using the technique of gamma scintigraphy;Davis;STP Pharma,1986
4. Drug Delivery in the gastrointestinal tract;Davis,1988
5. Transit of pharmaceutical dosage forms through the small intestine;Davis;Gut,1986