1. Drug poisoning deaths in the United States, 1980-2008;Warner;NCHS Data Brief,2011
2. Drug-poisoning deaths involving opioid analgesics: United States, 1999-2011;Chen;NCHS Data Brief,2014
3. Increases in heroin overdose deaths-28 states, 2010 to 2012;Rudd;MMWR Morb Mortal Wkly Rep,2014
4. Drug-poisoning deaths involving heroin: United States, 2000-2013;Hedegaard;NCHS Data Brief,2015
5. Vital signs: overdoses of prescription opioid pain relievers-United States, 1999-2008;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep,2011