1. Australian Institute of Health and Welfare Statistics on Drug Use in Australia 2004 AIHW 2005 http://www.aihw.gov.au/publications/phe/sdua04/sdua04-c01.pdf
2. National Health and Medical Research Council of Australia National Ethics Application Form National Health and Medical Research Council http://www.nhmrc.gov.au/ethics/human/ahec/neaf.htm
3. National Health and Medical Research Council of Australia National Statement on Ethical Conduct in Research Involving Humans National Health and Medical Research Council 1999 http://www.nhmrc.gov.au/publications/_files/e35.pdf
4. Ethical challenges and responses in harm reduction research: promoting applied communitarian ethics;Fry;Drug Alcohol Rev,2005
5. Confidentiality, disseminated regulation and ethico-legal liabilities in research with hidden populations of illicit drug users;Fitzgerald;Addiction,1997