title: First results of anti HAV antibodies assay in western Sicily.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis*; D006506:Hepatitis A / Q000453:epidemiology*; D006507:Hepatovirus / Q000276:immunology; D006801:Humans; D011863:Radioimmunoassay; D012802:Sicily
chemical_list: D000914:Antibodies, Viral