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| Entry |
|---|
| Website, https://chronasleep.com/chrona/, captured May 2, 2016, (6 pages). |
| Website, https://www.kickstarter.com/projects/ultradia/chrona-sleep-smarter-not-longer, captured May 2, 2016, (4 pages). |
| Protect-A-Bed Spec Sheet for Luxury Adjustable Pillow System, published at least by Oct. 2014, (2 pages). |