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  • 11-12-2017
  • Biology
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Kohler and lipton first discovered a growth factor (pdgf) by:

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W0lf93 W0lf93
  • 25-12-2017
Observing that fibroblasts grew better in cell culture when blood serum was added to the growth medium instead of blood plasma. Thus proving that there was a substance in serum that made it easier for fibroblasts to grow.
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