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Obtaining Sample of Oral Bacteria

Credit: T. Port
article: Does Mouthwash Kill Oral Bacteria?
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Does Mouthwash REally Kill Oral Bacteria? Labeled Petri Dishes for Mouthwash Experiment Test Tubes (Listerine, Crest, Saline) Obtaining Sample of Oral Bacteria Disposable Pipette
Obtaining Sample of Oral Bacteria, T. Port