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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2016 4
2017 2
2018 2
2019 6
2020 6
2021 10
2022 4
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Page 1
Variation in SARS-CoV-2 seroprevalence across districts, schools and classes: baseline measurements from a cohort of primary and secondary school children in Switzerland.
Ulyte A, Radtke T, Abela IA, Haile SR, Blankenberger J, Jung R, Capelli C, Berger C, Frei A, Huber M, Schanz M, Schwarzmueller M, Trkola A, Fehr J, Puhan MA, Kriemler S. Ulyte A, et al. BMJ Open. 2021 Jul 26;11(7):e047483. doi: 10.1136/bmjopen-2020-047483. BMJ Open. 2021. PMID: 34312201 Free PMC article.
34 results