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Test Tubes (Listerine, Crest, Saline)

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