title: A new automatic method for measuring dry matter and nitrogen flow through re-entrant cannulas in the duodenum of growing pigs.
mesh_terms: D000818:Animals; D002404:Catheterization / Q000379:methods; D004386:Duodenum / Q000378:metabolism*; D009584:Nitrogen / Q000378:metabolism*; D013552:Swine
chemical_list: D009584:Nitrogen