title: Quantity of serum immunoglobulins IgG, IgA and IgM in Bulgarian blood-donors.
mesh_terms: D000293:Adolescent; D000328:Adult; D001782:Blood Donors; D002031:Bulgaria; D005260:Female; D006801:Humans; D005779:Immunodiffusion; D007070:Immunoglobulin A / Q000032:analysis*; D007074:Immunoglobulin G / Q000032:analysis*; D007075:Immunoglobulin M / Q000032:analysis*; D008297:Male; D008875:Middle Aged; D011159:Population Surveillance
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M