I was just sniffing around and came across this link..http://www.samhsa.gov/newsroom/advisories/0811213700.aspx.. It seems more work is needed on hair and saliva results. Our new urine cup could be bigger than a few think. Reading the article one could assume we need a 6 to 8 urine speciment test cup not a 4 urine speciment test cup.
urine drug testing
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