the glycosaminoglycan fraction derived from the adenocarcinoma contained substantial amounts of chondroitin sulfate a/c , dermatan sulfate , heparan sulfate , and hyaluronic acid , whereas chondroitin sulfate a/c and dermatan sulfate were undetectable in that derived from the normal colonic mucosa .
C0017973
glycosaminoglycan
C0019143
heparan sulfate