1. American Conference of Governmental Industrial Hygienists (ACGIH), 2007. TLVs® and BEI® based on the Documentation of the Threshold Limit Values for Chemical Substances and Physical Agents & Biological Exposure indices, Cincinnati, Ohio, 104.
2. Agency for Toxic Substances and Disease Registry, 2017. Toxicological profile for toluene, U.S. Department of Health and Human Services, Public Health Service, Atlanta, USA.
3. Comparison of urinary O-cresol and hippuric acid in drivers, gasoline station workers and painters exposed to toluene in west of Iran;Bahrami;Pak. J. Biol. Sci.,2005
4. Low-flow active and passive sampling of VOCs using thermal desorption tubes: Theory and application at an offset printing facility;Batterman;J. Environ. Monit.,2002
5. Review of the Epidemiological Evidence Relating Toluene to Reproductive Outcomes;Bukowski;Regul. Toxicol. Pharm.,2001