title: Letter: stepwise diagnosis in covert hepatic encephalopathy - critical flicker frequency and MELD-score as a first-step approach. Replication and pitfalls.
authors.affiliation: UCL Institute for Liver & Digestive Health, Division of Medicine, Royal Free Campus, University College London, Hampstead, London, UK.
authors.forename: H D
authors.initials: HD
authors.lastname: Zacharias
authors.affiliation: Department of Neurophysiology, Royal Free Hospital, Royal Free London NHS Foundation Trust, Hampstead, London, UK.
authors.forename: C D
authors.initials: CD
authors.lastname: Jackson
authors.affiliation: UCL Institute for Liver & Digestive Health, Division of Medicine, Royal Free Campus, University College London, Hampstead, London, UK.
authors.forename: M Y
authors.initials: MY
authors.lastname: Morgan
authors.affiliation: Mech-Sense, Department of Gastroenterology and Hepatology, Aalborg University Hospital, Aalborg, Denmark.
authors.forename: S S
authors.initials: SS
authors.lastname: Olesen
mesh_terms: D005425:Flicker Fusion; D006501:Hepatic Encephalopathy; D006801:Humans; D008103:Liver Cirrhosis