1. Opioid epidemic 'getting worse instead of better,' public health officials warn;Collins;USA Today,2017
2. Reining in the opioid crisis;Cuthbertson;Epoch Times,2017
3. Timeline: lance Armstrong's journey from deity to disgrace;Fotheringham;The Guardian Newspaper,2015
4. Report shows vast reach of Russian doping: 1,000 athletes, 30 sports;Ruiz;N. Y. Times,2016
5. Designer drug detective work: scientists race to understand the neurochemistry behind new street drugs;Gebel Berg;ACS Cent. Sci.,2016