Format
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1,264,475 results
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693,514 results
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82,272 results
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67,034 results
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44,191 results
Journal
37,438 results
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12,149 results
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3,808 results
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3,272 results
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2,208 results
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1,335 results
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1,223 results
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1,022 results
Video
963 results
Statistics
728 results
Kit
693 results
Database
576 results
DVD
399 results
Unknown
379 results
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325 results
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313 results
Website
308 results
Data Medium
168 results
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111 results
Manuscript
96 results
Slide
52 results
Research Data
40 results
Braille
15 results
Software
5 results
Physical object
1 results