the cellular enamel organ and the cell-free organic matrix of developing enamel of female rats injected intravascularly with [ 3h ] serine and [ 3h ] proline were extracted in a number of solvents and examined by sodium dodecyl sulphate/polyacrylamide-gel electrophoresis and h.p.l.c . in 6m-guanidinium chloride at intervals varying from 5 min to 1 week after injection .
C0007634
cellular
C0010853
the cell