1. Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH). US Government Safe handling of hazardous drugs for veterinary healthcare workers 2010 http://www.cdc.gov/niosh/docs/wp-solutions/2010-150/
2. The global burden of disease due to occupational carcinogens;Driscoll;Am J Indust Med,2005
3. Cancer Council Australia Occupational carcinogens http://www.cancer.org.au/policy-and-advocacy/position-statements/occupational-carcinogens.html
4. National Institute for Occupational Safety and Health (NIOSH) Antineoplastic agents: occupational hazards in hospitals 2004
5. International Agency for Research on Cancer (IARC) Monographs on the evaluation of carcinogenic risks to humans 2012 http://monographs.iarc.fr/ENG/Classification/index.php