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| Period (hr) | acrophase (degree) | |
| proliferative | 23.79 +/- 0.05 | -227.13 +/- 2.37 |
| senescent | 26.91 +/- 0.27 | -257.50 +/- 3.12 |
| p value | 1.52 x 10-8 | 1.99 x 10-6 |
Student’s two-tailed t test were performed, n=8.
