Published on in Vol 21, No 10 (2019): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/15455, first published
.
![Public Concern About Monitoring Twitter Users and Their Conversations to Recruit for Clinical Trials: Survey Study Public Concern About Monitoring Twitter Users and Their Conversations to Recruit for Clinical Trials: Survey Study](https://asset.jmir.pub/assets/f5f247d5d029c964898db64fd6f61f97.png 480w,https://asset.jmir.pub/assets/f5f247d5d029c964898db64fd6f61f97.png 960w,https://asset.jmir.pub/assets/f5f247d5d029c964898db64fd6f61f97.png 1920w,https://asset.jmir.pub/assets/f5f247d5d029c964898db64fd6f61f97.png 2500w)
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