Published on in Vol 7, No 4 (2019): April
This is a member publication of New York University, NYU Wide membership, New York, NY, United States
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11831, first published
.
![Smartphone Apps Targeting Alcohol and Illicit Substance Use: Systematic Search in in Commercial App Stores and Critical Content Analysis Smartphone Apps Targeting Alcohol and Illicit Substance Use: Systematic Search in in Commercial App Stores and Critical Content Analysis](https://asset.jmir.pub/assets/0b40394048fa4ac2e678fc25a00feaca.png 480w,https://asset.jmir.pub/assets/0b40394048fa4ac2e678fc25a00feaca.png 960w,https://asset.jmir.pub/assets/0b40394048fa4ac2e678fc25a00feaca.png 1920w,https://asset.jmir.pub/assets/0b40394048fa4ac2e678fc25a00feaca.png 2500w)
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