Did You Know?
| There are many different sources to collect a hair sample other than your head. Some include leg, chest or underarm. Shaving your head will most likely be a waste of time. |
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| American Medical Review / DrugTesters.com | |||||||||||||||||
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| There are many different sources to collect a hair sample other than your head. Some include leg, chest or underarm. Shaving your head will most likely be a waste of time. |
| American Medical Review / DrugTesters.com | |||||||||||||||||
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