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Mean changes in [THbMb] (A), TSI (B), and [HHbMb] (C) for the first 15 s (0–15 s), and from second 15 to second 40 (15–40 s) in SHAM and COMBO conditions. Black bars (SHAM) and white bars (COMBO). Data are presented as mean ± SD. ‡Likely clear effect in COMBO vs. SHAM.
