論文（英文）
Characterization of the portal signal in a nonsteady hyperglycemic state in conscious dogs.
Ogihara N, Ebihara S, Kawamura W, Okamoto M, Sakai T, Takiguchi K, Morita T, Uchida R, Matsuyama Y, Hayashi Y, Arakawa Y and Kikuchi, M. Characterization of the portal signal in a non-steady hyperglycemic state in conscious dogs. American Journal of Physiology - Endoclinology and Metabolism. 2003; 284: 148-155.