title: The antibody responses to pneumococcal capsular polysaccharides in aged individuals.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D000917:Antibody Formation; D000942:Antigens, Bacterial; D006801:Humans; D007070:Immunoglobulin A / Q000096:biosynthesis; D007074:Immunoglobulin G / Q000096:biosynthesis; D007075:Immunoglobulin M / Q000096:biosynthesis; D008875:Middle Aged; D011135:Polysaccharides, Bacterial / Q000276:immunology*; D013296:Streptococcus pneumoniae / Q000276:immunology*
chemical_list: D000942:Antigens, Bacterial; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D011135:Polysaccharides, Bacterial