. 2021 May 17;23(5):e20803. doi: 10.2196/20803
©Anne Xuan-Lan Nguyen, Xuan-Vi Trinh, Sophia Y Wang, Albert Y Wu. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 17.05.2021.
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Figure 2.
Flowchart describing keyword processing and sentiment analysis.