title: Isolation and characterization of a blood group A-specific urinary tetrasaccharide.
mesh_terms: D000017:ABO Blood-Group System; D006801:Humans; D007785:Lactose / Q000378:metabolism; D009844:Oligosaccharides / Q000302:isolation & purification / Q000652:urine*
chemical_list: D000017:ABO Blood-Group System; D009844:Oligosaccharides; D007785:Lactose