SEARCH Articles Figures Tables Enzymatic glycosidation O-linked oligosaccharides Glycosides glycosidic link Glycosidic link O-Glycosides O-Glycosidic O-glycosidically linked oligosaccharide O-linked Sialic Acid in O-Glycosidically Linked Carbohydrate Chains Structures of O-Linked Glycosides in Glycoproteins