title: Determination of virus-specific IgM antibodies by using ELISA: elimination of false-positive results with protein A-Sepharose absorption and subsequent IgM antibody assay.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis*; D000918:Antibody Specificity; D004797:Enzyme-Linked Immunosorbent Assay / Q000379:methods*; D005189:False Positive Reactions; D006801:Humans; D007124:Immunoenzyme Techniques / Q000379:methods*; D007075:Immunoglobulin M / Q000032:analysis*; D012409:Rubella / Q000276:immunology; D012685:Sepharose; D013205:Staphylococcal Protein A
chemical_list: D000914:Antibodies, Viral; D007075:Immunoglobulin M; D013205:Staphylococcal Protein A; D012685:Sepharose