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Association between socioeconomic status and self-reported, tested and diagnosed COVID-19 status during the first wave in the Northern Netherlands: a general population-based cohort from 49 474 adults.
Zhu Y, Duan MJ, Dijk HH, Freriks RD, Dekker LH, Mierau JO; Lifelines Corona Research initiative. Zhu Y, et al. Among authors: freriks rd. BMJ Open. 2021 Mar 22;11(3):e048020. doi: 10.1136/bmjopen-2020-048020. BMJ Open. 2021. PMID: 33753448 Free PMC article.