Published on in Vol 23, No 8 (2021): August

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/29026, first published .
Evaluation of a Digital Health Initiative in Illicit Substance Use: Cross-sectional Survey Study

Evaluation of a Digital Health Initiative in Illicit Substance Use: Cross-sectional Survey Study

Evaluation of a Digital Health Initiative in Illicit Substance Use: Cross-sectional Survey Study