PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8985716-0 1996 Ammonium acetate challenge in experimental chronic hepatic encephalopathy induces a transient increase of brain 5-HT release in vivo. ammonium acetate 0-16 POU class 6 homeobox 1 Rattus norvegicus 106-113