A cohort study of toner-handling workers on inflammatory, allergic, and oxidative stress markers: Cross-sectional and longitudinal analyses from 2003 to 2008.

The article investigates the health impact of toner exposure on toner-handling workers in terms of biomarkers. The study shows no evidence of excessive allergic, inflammatory or oxidative stress reaction in workers exposed to toxic substances or materials. Low concentrations in toner exposure is also reported.