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A member asked:

Why after a week,am i still testing positive for fentanyl?

A doctor has provided 1 answer

Read this link...: Ref: Toxicologic Testing for Opiates: Understanding False-Positive and False-Negative Test Results, as found at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3505132/

Dr Fowler agreed

Answered 5/11/2017

700 views

Thank

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