1. Commonwealth Department of Health and Family Services. Australian Statistics on Medicines 1997. AusInfo: Canberra, 1998.
2. Pharmaceutical Benefits Pricing Authority Annual Report for the Year Ended 30 June 1995. AGPS: Canberra, 1995. ISSN 1032-12373.
3. Commonwealth Department of Human Services and Health. Schedule of Pharmaceutical Benefits for Approved Pharmacists and Medical Practitioners, effective from 1 December 1994. Australian Government Publishing Service: Canberra, 1994.
4. Tracking high users of pethidine after restrictions were placed on PBS supply
5. Prescription use by patients with concession cards