the monosaccharide compositions of the individual carbohydrate units on variant-a/aichi/68 haemagglutinin differed from those of the corresponding units in variant-a/memphis/72 haemagglutinin , and evidence was found for heterogeneity in the oligosaccharide units attached at single glycosylation sites .
C0026492
monosaccharide
C0007004
carbohydrate