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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Mech Ageing Dev. 2008 May 13;129(9):528–533. doi: 10.1016/j.mad.2008.04.013

Figure 4.

Figure 4

Mutant frequency at the lacZ reporter locus of C57BL/6J mice at 7-, 15- and 25-months of age after caloric restriction (white bars) or fed ad lib (black bars). Error bars represent 95% confidence intervals.