Copyright information:
Taken from "Respiratory function and bronchial responsiveness among industrial workers exposed to different classes of occupational agents: a study from Algeria"
Journal of Occupational Medicine and Toxicology (London, England) 2007;2():11-11.
Published online 8 Oct 2007
PMCID:PMC2134926.
ording to exposure group. Error bars have been deleted for clarity. * denotes significant difference (p < 0.05) compared with controls. At the higher doses the numbers of subjects are slightly lower than indicated in the legend because the test was interrupted when FEVdecreased by 20% or more (i.e. detectable PD, see table 2 for the number of subjects with a detectable PDin each group).