Resumen de DISPOSING OF MEDICINES SAFELY.

Kevin M. Fain, G. Caleb Alexander

• A letter to the editor is presented in response to the article "Determinants of Increased Opioid-Related Mortality in the United States and Canada, 1990-2013: A Systematic Review" by N. B. King, V. Fraser, C. Boikos et al., which appeared in a previous issue.