what exactly do u/a tests test for?
Posted: Thu Jul 31, 2014 2:09 pm
What do they test for and how do they compare to hair follicle or other dna testing?
Also, are there any tests that are designed to detect use of drugs up to 4-5 months back in time?
Also, are there any tests that are designed to detect use of drugs up to 4-5 months back in time?