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Time sequence of changes in EEG amplitude (dB), spectral edge frequency (Hz) and nuchal EMG (μV) from 24 h before until 72 h after umbilical cord occlusion in sham controls (n = 12), 15 min group (n = 10) and 25 min group (n = 17). Data are the 1 h mean ± SEM. * P < 0.05, 15 min vs. control; # P < 0.05, 25 min vs. controls; δ P < 0.05, 15 min vs. 25 min.
