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hair drug testing, urine drug testing,oral fluid drug testing

Choosing the Best Drug Test Specimen Type

Last updated on October 9th, 2020 at 02:06 pmSince the 1980s, urine testing has dominated the drug testing market in the United States.¬† Over the past few years, ¬†alternative specimen types and expanded testing panels of drug testing have become more commonplace and many employers in the United are combining the use of urine, hair, […]

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