an insoluble fraction of puppy epiphyseal plate , containing chondroitin sulphate and collagen , was found to have the same effect at lower concentrations of chondroitin sulphate and a higher calcium/chondroitin sulphate glucuronate ratio , but the formation of calcium phosphate from calcium bound to this material appeared to proceed more rapidly than from calcium in solution , when both were present in the same system .
C0006711
calcium
C0006675
calcium