title: Serum IgG in germfree, gnotobiotic and conventional mice of different ages.
mesh_terms: D000367:Age Factors; D000818:Animals; D001798:Blood Proteins / Q000032:analysis; D004586:Electrophoresis; D004926:Escherichia coli / Q000276:immunology; D005856:Germ-Free Life; D007106:Immune Sera; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007074:Immunoglobulin G / Q000032:analysis; D007136:Immunoglobulins / Q000032:analysis*; D051379:Mice; D012709:Serum Albumin / Q000032:analysis; D012712:Serum Globulins / Q000032:analysis
chemical_list: D001798:Blood Proteins; D007106:Immune Sera; D007074:Immunoglobulin G; D007136:Immunoglobulins; D012709:Serum Albumin; D012712:Serum Globulins