total daily excretion of urinary glycosaminoglycans in the patients seemed to be normal , but the relative excretion of urinary heparan sulfate was significantly reduced and ranged from 26 to 46 % of the age-matched control mean , when calculated on the basis of relative glucosamine content in urinary glycosaminoglycans .
C0019143
heparan sulfate
C0017973
glycosaminoglycans