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COVID RADAR app: Description and validation of population surveillance of symptoms and behavior in relation to COVID-19.
van Dijk WJ, Saadah NH, Numans ME, Aardoom JJ, Bonten TN, Brandjes M, Brust M, le Cessie S, Chavannes NH, Middelburg RA, Rosendaal F, Visser LG, Kiefte-de Jong J. van Dijk WJ, et al. Among authors: numans me. PLoS One. 2021 Jun 30;16(6):e0253566. doi: 10.1371/journal.pone.0253566. eCollection 2021. PLoS One. 2021. PMID: 34191828 Free PMC article.
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