drug screen

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drug screen

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jane1854
Forum Newbie

Topics: 1
Posts: 1

09/07/03 - 09:02 PM

1. what are the drugs covered by a standard drug screen?
2. how long do they stay positive after the initial use?

09/08/03 - 08:03 PM

DO THEY ASK THAT IN USMLE......??????????????

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