Published on in Vol 25 (2023)
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/45216, first published
.
![Evaluating a Peer-Support Mobile App for Mental Health and Substance Use Among Adolescents Over 12 Months During the COVID-19 Pandemic: Randomized Controlled Trial Evaluating a Peer-Support Mobile App for Mental Health and Substance Use Among Adolescents Over 12 Months During the COVID-19 Pandemic: Randomized Controlled Trial](https://asset.jmir.pub/assets/edf7d110151c2fca40bf6c8a11b25098.png 480w,https://asset.jmir.pub/assets/edf7d110151c2fca40bf6c8a11b25098.png 960w,https://asset.jmir.pub/assets/edf7d110151c2fca40bf6c8a11b25098.png 1920w,https://asset.jmir.pub/assets/edf7d110151c2fca40bf6c8a11b25098.png 2500w)
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