Self-Injection Made Easy: Yes, You Can Do I Yourself!

The cap of swab tube is then loosened and the swab removed in preparation for sample collection. It is imperative that the sampler does not touch any portion of the swab except the cap. An environmental sample is collected by using even, firm pressure to glide the swab 10 times vertically, 10 times horizontally, and 10 times diagonally over the ... ................
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