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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: J Mater Sci Mater Med. 2012 Jun 5;23(9):2115–2126. doi: 10.1007/s10856-012-4691-6

Fig. 8.

Fig. 8

The growth curve of preosteoblasts, MC3T3-E1, was measured by formazan absorbance using CellTiter kits (Promega, Madison). There were significant differences among groups over time (1, 4, 7, 10 and 13 days) (p < 0.05)