title: Immunoglobulin isotypes and antibody specificity repertoire of "spontaneously" occurring ("background") immunoglobulin-secreting cells in germfree mice fed chemically defined ultrafiltered "antigen-free" diet.
mesh_terms: D000818:Animals; D000918:Antibody Specificity; D000921:Antibody-Producing Cells / Q000276:immunology*; D001853:Bone Marrow / Q000276:immunology; D005856:Germ-Free Life; D007070:Immunoglobulin A / Q000096:biosynthesis*; D007074:Immunoglobulin G / Q000096:biosynthesis*; D007075:Immunoglobulin M / Q000096:biosynthesis*; D008198:Lymph Nodes / Q000276:immunology; D051379:Mice; D009578:Nitrobenzenes / Q000276:immunology; D013154:Spleen / Q000276:immunology
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D009578:Nitrobenzenes