1. WA Drug Data Collection UnitHealth Services StatisticsEpidemiology Branch Health Department of WA189 Royal StreetEast PerthWA6004
2. Combined Unit in Clinical Pharmacology and Toxicology State Health Laboratory Services/University of WANedlandsWA6009
3. WA Alcohol and Drug Authority, 7 Field StreetMt LawleyWA6050
4. WA Alcohol and Drug Authority, 354 William StreetNorthbrldgeWA6004