Coated minispheres of salmon calcitonin target rat intestinal regions to achieve systemic bioavailability: Comparison between intestinal instillation and oral gavage

Representative X-ray images of the GI tract of a rat showing the movement of three BaSO4-loaded minispheres coated with Opadry® white and Eudragit®. The three minispheres are seen in the stomach at 30 min.95