... the virus in human serum. ANA ELISA IMMUNOASSAY TEST KIT The ANA-antibody ELISA is intended for use in the detection ... antibody to the virus in human serum.ANA ELISA IMMUNOASSAY TEST KIT Systemic autoimmune diseases are characterized by the presence ... tissue disorder, , & ,, , , and myasthenia gravis.ANA ELISA IMMUNOASSAY TEST KIT Purified ANA antigen is coated on the surface of microwells. Patient ...