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Table 1 Sequence of exposure patterns followed in this study for all 4 cohorts

From: Cardiovascular and inflammatory mechanisms in healthy humans exposed to air pollution in the vicinity of a steel mill

  1st Exposure Washout 2nd Exposure Washout 3rd Exposure
Sequence (5 days) Period (days) (5 days) Period (days) (5 days)
1 A 9 B 9 C
2 B 9 C 9 A
3 C 9 A 9 B
4 A 9 C 9 B
5 B 9 A 9 C
6 C 9 B 9 A
  1. Note: Cohorts 1–4 were spaced by time and the entire exposure took place from May–August 2010
  2. A Bayview Mask, B Bayview Ambient (without mask) and C College