title: Letter: Stepwise diagnosis in covert hepatic encephalopathy-do not forget ammonia. Authors' reply.
authors.affiliation: Department of Internal Medicine I, Martin-Luther-University Halle-Wittenberg, Halle, Germany.
authors.forename: R
authors.initials: R
authors.lastname: Greinert
authors.affiliation: Department of Internal Medicine I, Martin-Luther-University Halle-Wittenberg, Halle, Germany.
authors.forename: A
authors.initials: A
authors.lastname: Zipprich
authors.affiliation: Department of Internal Medicine I, Martin-Luther-University Halle-Wittenberg, Halle, Germany. cristina_ripoll@yahoo.es.
authors.forename: C
authors.initials: C
authors.lastname: Ripoll
mesh_terms: D000641:Ammonia; D006501:Hepatic Encephalopathy; D006801:Humans; D008103:Liver Cirrhosis
chemical_list: D000641:Ammonia