Published on in Vol 8, No 12 (2022): December
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/24938, first published
.
![Drug Abuse Ontology to Harness Web-Based Data for Substance Use Epidemiology Research: Ontology Development Study Drug Abuse Ontology to Harness Web-Based Data for Substance Use Epidemiology Research: Ontology Development Study](https://asset.jmir.pub/assets/f9fece4174f6e683ea39532f39a67f3a.png 480w,https://asset.jmir.pub/assets/f9fece4174f6e683ea39532f39a67f3a.png 960w,https://asset.jmir.pub/assets/f9fece4174f6e683ea39532f39a67f3a.png 1920w,https://asset.jmir.pub/assets/f9fece4174f6e683ea39532f39a67f3a.png 2500w)
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