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Effects of CPA and DD on the period length of the peripheral and central molecular clocks. Plot of period length between the first and second peaks of PER2::LUC bioluminescence from cultured explants following 24 h in culture. The period length was not significantly shifted in the LD or DD groups in central (SCN) or peripheral clocks. See Fig. 5 legend for n values. Values are means ± SE.
