characteristics of the chondroitin sulfate/dermatan sulfate proteoglycans ( cs/dspgs ) and heparan sulfate proteoglycans ( hspgs ) from retinas of 14-day chicken embryos were examined following specific lyase digestion of the hspg and cs/dspg glycosaminoglycans , respectively .
C0033692
proteoglycans
C0062503
hspg