title: Re-entrant cannula and automatic sampling for bile study in the preruminant calf.
mesh_terms: D000818:Animals; D000833:Animals, Suckling; D001646:Bile / Q000378:metabolism*; D002404:Catheterization / Q000295:instrumentation / Q000379:methods / Q000662:veterinary*; D002417:Cattle / Q000502:physiology*; D013048:Specimen Handling / Q000295:instrumentation / Q000379:methods / Q000662:veterinary*