title: Acute hepatitis A: an endangered species.
authors.affiliation: United States Army Medical Research, Institute of Infectious Diseases, Fort Detrick, Frederick, Maryland 21702-5011.
authors.forename: M H
authors.initials: MH
authors.lastname: Sjogren
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004311:Double-Blind Method; D005557:Formaldehyde / Q000494:pharmacology; D006506:Hepatitis A / Q000517:prevention & control*; D006801:Humans; D010919:Placebos; D015164:Vaccines, Inactivated; D014761:Viral Hepatitis Vaccines / Q000627:therapeutic use*
chemical_list: D010919:Placebos; D015164:Vaccines, Inactivated; D014761:Viral Hepatitis Vaccines; D005557:Formaldehyde