collagen synthesis , content , and types were studied in the presence of heparin fragments ( 100 micrograms/10 ( 6 ) cells ) in the culture medium , by measuring the incorporation of the radiolabeled precursor [ 3h ] proline into confluent primary cultures of porcine fibroblasts obtained from normal and irradiated fibrotic dermis .
C0007634
cells
C0016030
fibroblasts