title: Concentration of IgG, IgA, and IgM in terms of international units in the sera of healthy individuals.
abstract: This paper describes experiments on the determination of the level of IgG, IgA, and IgM in normal human sera, using an international reference preparation for comparison.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis*; D007074:Immunoglobulin G / Q000032:analysis*; D007075:Immunoglobulin M / Q000032:analysis*; D008297:Male; D008722:Methods; D008875:Middle Aged; D014944:World Health Organization
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M