title: The capsular polysaccharide of type I Pneumococcus. I. Purification and chemical modification.
mesh_terms: D000085:Acetates; D000937:Antigen-Antibody Reactions; D002852:Chromatography, Ion Exchange; D009573:Nitrites; D009844:Oligosaccharides / Q000032:analysis; D010504:Periodic Acid; D011135:Polysaccharides, Bacterial / Q000032:analysis*; D013296:Streptococcus pneumoniae
chemical_list: D000085:Acetates; D009573:Nitrites; D009844:Oligosaccharides; D011135:Polysaccharides, Bacterial; D010504:Periodic Acid