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. 2009 Feb 4;64A(1):34–44. doi: 10.1093/gerona/gln053

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© 2009 The Author(s).

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 7. — Aging alters electrical field stimulation current (I₅₀) necessary to evoke ½ maximal d[Ca²⁺]_i (A) and rate of rise of [Ca²⁺]_i (B). N = 19–31 cells from eight animals in each age group. *Significantly different from control, p < .05, by paired t test. ++Significantly different from 6 and 12 months, p < .02, by analysis of variance and Fisher-PLSD test.