1. Prevention of fatal opioid overdose;Beletsky;JAMA,2012
2. Drug-related deaths and deaths among drug users in Ireland: 2010 figures from the National Drug-Related Deaths Index;Health Research Board,2013
3. National Drug Related Death Index;Health Research Board,2012
4. Non-fatal overdoses and drug-related emergencies 2010;Mongan,2012
5. Fatal poisoning in Estonia 2000-2009. Trends in illegal drug-related deaths;Tuusov;J Forensic Legal Med,2013