− | Production of [[Immunoglobulin M - WikiBlood|IgM]] or [[Immunoglobulin G - WikiBlood|IgG] to cell surface antigens or extracellular matrix proteins. | + | Production of [[Immunoglobulin M - WikiBlood|IgM]] or [[Immunoglobulin G - WikiBlood|IgG]] to cell surface antigens or extracellular matrix proteins. |