title: Characterization of the group A streptococcal polysaccharide by two-dimensional 1H-nuclear-magnetic-resonance spectroscopy.
mesh_terms: D002236:Carbohydrate Conformation; D006859:Hydrogen; D009682:Magnetic Resonance Spectroscopy / Q000379:methods; D011135:Polysaccharides, Bacterial; D013297:Streptococcus pyogenes / Q000276:immunology
chemical_list: D011135:Polysaccharides, Bacterial; C044260:streptococcal group A cell wall carbohydrate; D006859:Hydrogen