SEARCH Articles Figures Tables Chondroitin 4-sulfate disaccharide repeating units Dermatan sulfate disaccharide repeating units Disaccharide units Disaccharides Glycosaminoglycan repeating disaccharide units Glycosaminoglycans repeating disaccharide units Heparan sulfate disaccharide repeating units Hyaluronan repeating disaccharide units Hyaluronic acid disaccharide repeating units Keratan sulfate disaccharide repeating units Repeating unit