title: Placebo controlled treatment trials in hepatic encephalopathy are feasible and ethical.
authors.affiliation: Division of Gastroenterology and Hepatology, MetroHealth Medical Center, Case Western Reserve School of Medicine, Cleveland, OH, USA.
authors.forename: Ravi K
authors.initials: RK
authors.lastname: Ghanta
authors.forename: Kevin D
authors.initials: KD
authors.lastname: Mullen