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Amazon.com: BTNX Fentanyl Test Strip Kit for Liquids, Powders, Pills & Urine - Includes: 2 BTNX Rapid Response Fentanyl Test Strips + 10 mg Micro Scoop + 5 ml Cup + Instructions - FentStrips : Industrial & Scientific
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Test strips for fentanyl, supervised injection sites, might come to California – Orange County Register
Fact Sheet: Fentanyl Testing to Prevent Overdose - Information for People Who Use Drugs and Healthcare Providers
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Fentanyl test strips are in demand at Bay Area bars and restaurants: 'People come in just for the strips'
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As street drugs get deadlier, test kits may not detect dangerous new substances - National | Globalnews.ca
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