Fig. 2.
Comparison of the median OH-PAH levels in this study to selected percentiles (50th, 75th, 90th, and 95th) and median levels among smokers in the U.S. adult population (CDC, 2015).
Comparison of the median OH-PAH levels in this study to selected percentiles (50th, 75th, 90th, and 95th) and median levels among smokers in the U.S. adult population (CDC, 2015).