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Cook J, Xu W, Msellem M, Vonk M, Bergström B, Gosling R, Al-Mafazy AW, McElroy P, Molteni F, Abass AK, Garimo I, Ramsan M, Ali A, Mårtensson A, Björkman A.Cook J, et al. Among authors: bergstrom b.J Infect Dis. 2015 May 1;211(9):1476-83. doi: 10.1093/infdis/jiu655. Epub 2014 Nov 26.J Infect Dis. 2015.PMID: 25429102Free PMC article.
Cassarino N, Bergstrom B, Johannes C, Gualtieri L.Cassarino N, et al. Among authors: bergstrom b.Online J Public Health Inform. 2021 Dec 24;13(3):e16. doi: 10.5210/ojphi.v13i3.11842. eCollection 2021.Online J Public Health Inform. 2021.PMID: 35079322Free PMC article.