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w:Frederick Sanger, source: https://www.nlm.nih.gov/visibleproofs/media/gallery/vi_a_208b.jpg or https://www.nlm.nih.gov/visibleproofs/galleries/technologies/dna_image_8.html

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	This image is a work of the National Institutes of Health, part of the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain. Please ensure that this image was actually created by the US Federal government. The NIH frequently uses commercial images which are not public domain.
此作品無已知的著作權限制，亦不受所有相關和鄰接的權利限制。

https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse

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