1. Health and Safety Executive HSE statistics — key figures for 2006/07, http://www.hse.gov.uk/statistics/index.htm (accessed 21 Jul 2008).
2. Black C (2008) Working for a healthier tomorrow — Dame Carol Black's review of the health of the working age population (TSO, London).
3. University of Manchester The Health and Occupation Reporting Network (THOR) http://www.medicine.manchester.ac.uk/coeh/thor/ (accessed 21 Jul 2008).
4. Occupational respiratory disease in the United Kingdom 1989: a report to the British Thoracic Society and the Society of Occupational Medicine by the SWORD project group;Meredith;Br J Ind Med,1991
5. Occupational Contact Dermatitis in the UK: A Surveillance Report from EPIDERM and OPRA