title: Viral hepatitis--1975.
authors.forename: Marcel E
authors.initials: ME
authors.lastname: Conrad
authors.forename: Robert G
authors.initials: RG
authors.lastname: Knodell
mesh_terms: D003937:Diagnosis, Differential; D006525:Hepatitis, Viral, Human / Q000266:history* / Q000635:transmission; D049673:History, 20th Century; D006801:Humans