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. 2014 Dec 16;16(12):e289. doi: 10.2196/jmir.3680

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©Dong-Woo Seo, Min-Woo Jo, Chang Hwan Sohn, Soo-Yong Shin, JaeHo Lee, Maengsoo Yu, Won Young Kim, Kyoung Soo Lim, Sang-Il Lee. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 16.12.2014.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0/), 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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Plot of combined queries that consecutively show correlation coefficient (P<.05) (only “Tamiflu” and “New flu + Symptom” showed r values greater than .7 for 3 consecutive years).