title: Diagnosis of acute hepatitis a infection: protein A absorption-an extended trial.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis; D006506:Hepatitis A / Q000175:diagnosis*; D006507:Hepatovirus / Q000276:immunology; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis; D007164:Immunosorbents; D011863:Radioimmunoassay / Q000379:methods; D013205:Staphylococcal Protein A / Q000276:immunology
chemical_list: D000914:Antibodies, Viral; D007075:Immunoglobulin M; D007164:Immunosorbents; D013205:Staphylococcal Protein A