Published on in Vol 22, No 6 (2020): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/17554, first published
.
Facebook Recruitment Using Zip Codes to Improve Diversity in Health Research: Longitudinal Observational Study https://t.co/kkmqfAvdR5
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New in JMIR: Facebook Recruitment Using Zip Codes to Improve Diversity in Health #Research: Longitudinal Observatio… https://t.co/p2Aj8AQLBz
4:04 PM · Jun 05, 2020
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