- HLA-A- and HLA-B-specific monoclonal antibodies reactive with free heavy chains in western blots, in formalin-fixed, paraffin-embedded tissue sections and in cryo-immuno-electron microscopy. Stam, N.J., Vroom, T.M., Peters, P.J., Pastoors, E.B., Ploegh, H.L. Int. Immunol. (1990)