title: [Function and structure of serum type and secretory gamma A immunoglobulin].
mesh_terms: D000818:Animals; D000906:Antibodies; D001769:Blood; D055598:Chemical Phenomena; D002621:Chemistry; D003165:Complement System Proteins; D006801:Humans; D005779:Immunodiffusion; D007074:Immunoglobulin G / Q000096:biosynthesis / Q000378:metabolism; D007136:Immunoglobulins; D008970:Molecular Weight; D012463:Saliva / Q000032:analysis*; D014461:Ultracentrifugation
chemical_list: D000906:Antibodies; D007074:Immunoglobulin G; D007136:Immunoglobulins; D003165:Complement System Proteins