Support WBURAn Experiment Helps Heroin Users Test Their Street Drugs For FentanylPlay05:37Download AudioMary HarrisMay 16, 2017 ShareA test strip designed to help doctors check a patient's urine for fentanyl is being distributed in the Bronx to encourage users of heroin or other opioids to check what's in their syringe before they inject. (Mary Harris/WNYC)
