it has been suggested that glycosaminoglycans ( gag ) such as heparan sulphate ( hs ) , dermatan sulphate ( ds ) , chondroitin-4-sulphate and chondroitin-6-sulphate contribute to the nonthrombogenic properties of the vascular wall .
C0017973
glycosaminoglycans
C0019143
heparan sulphate