title: Mesenteric venous blood sampling in vivo in the rat.
mesh_terms: D000818:Animals; D001800:Blood Specimen Collection; D002404:Catheterization; D007408:Intestinal Absorption; D008642:Mesenteric Veins / Q000601:surgery; D010455:Peptides / Q000032:analysis; D011168:Portal System; D051381:Rats
chemical_list: D010455:Peptides