title: Randomized studies are still necessary.
authors.forename: Claude
authors.initials: C
authors.lastname: Lentschener
authors.forename: Annick
authors.initials: A
authors.lastname: Steib
mesh_terms: D000818:Animals; D032984:Ethics, Research; D006801:Humans; D016031:Liver Transplantation; D016032:Randomized Controlled Trials as Topic; D012107:Research Design