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. Author manuscript; available in PMC: 2010 May 11.
Published in final edited form as: Inhal Toxicol. 2009 Feb;21(3):223–233. doi: 10.1080/08958370802492407

FIG. 6.

FIG. 6

Low frequency (LF, panels A, B) and high frequency (HF, panels C, D) heart rate variability in females (A, C) and males (B, D) exposed to 10 and 25 µg/m3 with exercise. Data are differences from baseline, means ± SE.