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. 2020 Jul 31;22(7):e16981. doi: 10.2196/16981

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©Yang Xiang, Hangyu Ji, Yujia Zhou, Fang Li, Jingcheng Du, Laila Rasmy, Stephen Wu, W Jim Zheng, Hua Xu, Degui Zhi, Yaoyun Zhang, Cui Tao. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 31.07.2020.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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An example of a heatmap with highly associated clinical variables, such as hypoxemia (D_799.02), shortness of breath (D_786.05), and wheezing (D_786.07).