File:180531-N-PO203-0057 (27622706847).jpg
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| Description | Charles A. Czeisler, Ph.D., MD, director, Division of Sleep Medicine, Harvard Medical School and Chief, Division of Sleep and Circadian Disorder, Brigham and Women's Hospital, discusses sleep and circadian rhythms and the impact on performance, health and safety of Navy and Marine Corps personnel during a Distinguished Lecture Series held at the Office of Naval Research. (U.S. Navy photo by John F. Williams/Released) |
| Date | |
| Source | 180531-N-PO203-0057 |
| Author | Office of Naval Research from Arlington, United States |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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This image, originally posted to Flickr, was reviewed on 22 March 2020 by the administrator or reviewer Ww2censor, who confirmed that it was available on Flickr under the stated license on that date. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:50, 18 March 2020 | | 4,928 × 3,280 (2.11 MB) | Dudek1337 (talk | contribs) | Transferred from Flickr via #flickr2commons |
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