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Grímsson F, Jacobs BF, Van Valkenburg JLCH, Wieringa JJ, Xafis A, Tabor N, Pan AD, Zetter R.Grímsson F, et al. Among authors: zetter r.Grana. 2018 Oct 25;58(2):81-98. doi: 10.1080/00173134.2018.1510977. eCollection 2019.Grana. 2018.PMID: 30828285Free PMC article.
Grímsson F, Graham SA, Coiro M, Jacobs BF, Xafis A, Neumann FH, Scott L, Sakala J, Currano ED, Zetter R.Grímsson F, et al. Among authors: zetter r.Grana. 2019 Jun 10;58(4):227-275. doi: 10.1080/00173134.2019.1594357. eCollection 2019.Grana. 2019.PMID: 31275086Free PMC article.