a solid phase radioimmunoassay ( ria ) procedure was developed and three methods for detection of igm specific antibody to hepatitis a virus ( anti-hav igm ) were compared : triple antibody method , 2-mercaptoethanol ( 2-me ) for igm cleavage and staphylococcal a protein ( stap ) for igg absorption .
C0020861
igm
C0003241
antibody