1. Canadian Cancer Society/National Cancer Institute of Canada 2008 Canadian Cancer Statistics 2008
2. Canadian Centre for Occupational Health 2007 Occupational Health and Safety Physical Hazard http://www.caw.ca/assets/pdf/Neddlestick.pdf
3. Canadian Immunodeficiency Society 2007 http://www.cisociety.com/files/what-is-PID.html
4. Canadian Institute for Health Information 2006 Head Injuries in Canada: A Decade of Change (1994.1995 to 2003.2004) http://secure.cihi.ca/cihiweb/products/ntr_head_injuries_2006_e.pdf