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pseudomonas_aeruginosa_gram.jpg

pseudomonas_aeruginosa_gram.jpg
By: Lindsay K. Davidson
Uploaded: Tuesday, August 17, 2010 @ 14:16
http://commons.wikimedia.org/wiki/File:Pseudomonas_aeruginosa_Gram.jpg
Creative Commons Attribution-Share Alike 3.0 Unported