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. 2016 Aug 31;16(6):399–406. doi: 10.1007/s40256-016-0185-0

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© The Author(s) 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 1 — Circadian rhythm of coronary heart disease mortality and acute myocardial infarction that shows a significant peak primarily in the period between 6 a.m. and 8 a.m. [6–8]. CHD coronary heart disease