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. 2017 Jul 24;19(7):e259. doi: 10.2196/jmir.7452

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©Hyesil Jung, Hyeoun-Ae Park, Tae-Min Song. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 24.07.2017.

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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Query results inferred from the ontology (left) and core concepts and their synonyms derived from answers to the frequently asked question regarding signs and symptoms of adolescent depression (right).