title: [Functional diagnosis of portosystemic anastomoses using ammonia tolerance test (ATT)].
mesh_terms: D000641:Ammonia / Q000097:blood / Q000378:metabolism*; D001166:Arteriovenous Shunt, Surgical; D008722:Methods; D009584:Nitrogen / Q000097:blood; D011167:Portacaval Shunt, Surgical; D011168:Portal System / Q000503:physiopathology*
chemical_list: D000641:Ammonia; D009584:Nitrogen
vernacular_title: Funktionsdiagnostik portosystemischer Anastomosen mittels Ammoniaktoleranztest (ATT.