title: A method for obtaining repeated serial intestinal biopsies from the dog.
mesh_terms: D000818:Animals; D001706:Biopsy; D004285:Dogs; D005465:Fluorocarbon Polymers; D005747:Gastric Fistula; D007422:Intestines / Q000502:physiology* / Q000601:surgery; D008722:Methods; D013523:Surgical Equipment / Q000295:instrumentation
chemical_list: D005465:Fluorocarbon Polymers