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Rat Droppings #1
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Photo Researchers, Inc.
Epithelial Cells
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Brown Rat #7
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John Dunlop / Dorling Kindersley
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Rat-catcher, 1799
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Rat Catcher, Rats Killed By Ferrets
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Rat Catcher, New York, 1920
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Daniel Bernstein
Rat Catcher With Ferrets, 1920
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Rat Brain Anatomy #7
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Rat Catcher, Medieval Tradesman #1
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Rat Catcher, Medieval Tradesman #2
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Rat Brain Anatomy #4
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Rat Brain Anatomy #6
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Rat Brain Anatomy #8
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Rat Brain Anatomy #9
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Rat, Historiae Animalium, 16th Century
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Karl H. Switak
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David M. Phillips
Rat Brain Anatomy #1
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Rat Brain Anatomy #5
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Rat Brain Anatomy #11
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P. Schultz/Biology Pics
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Rat Lymphocyte Tem #1
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Rat Lymphocyte Tem #2
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Rat, X-ray, 1896 #2
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