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Researcher examining sample under microscope

Stock Photo:
Image ID: 163304240
Release Information: N/A
Copyright: Shawn Hempel
500x340 6.9"x4.7" (72dpi) 105 KB
1000x679 3.3"x2.3" (300dpi) 346 KB
5512x3744 18.4"x12.5" (300dpi) 1.8 MB
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