Multi-purpose urine test strips how to read
How to read urine drug test strip | Faint Line on Drug . 2010-10-8 · 1. Check to make sure that the control solutions and urine dipsticks have not expired. 2. Repeat test. 3. If the repeat test fails, open a new set of urine controls and repeat. 4. If this test fails using the new controls, open a new bottle of urine …
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