Choosing the Best Drug Test Specimen Type

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

Last updated on March 4th, 2021 at 12:56 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, […]