De Filippis, P Detection of hepatitis A virus in the stools of healthy people from endemic areas. [electronic resource] - European journal of epidemiology Jun 1987 - 172-5 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0393-2990 Standard No.: 10.1007/BF00239755 doi Subjects--Topical Terms: AdolescentAdultAntigens, Viral--analysisCells, CulturedChildChild, PreschoolEnzyme-Linked Immunosorbent AssayFeces--microbiologyFluorescent Antibody TechniqueHepatitis A--epidemiologyHepatitis A AntigensHepatovirus--isolation & purificationHumansItalyMiddle Aged