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Virkkala R, Rajasärkkä A.Virkkala R, et al.Biol Lett. 2011 Jun 23;7(3):395-8. doi: 10.1098/rsbl.2010.1052. Epub 2010 Dec 8.Biol Lett. 2011.PMID: 21147827Free PMC article.
Lehikoinen A, Virkkala R.Lehikoinen A, et al. Among authors: virkkala r.Glob Chang Biol. 2016 Mar;22(3):1121-9. doi: 10.1111/gcb.13150. Epub 2015 Dec 22.Glob Chang Biol. 2016.PMID: 26691578
Hällfors MH, Heikkinen RK, Kuussaari M, Lehikoinen A, Luoto M, Pöyry J, Virkkala R, Saastamoinen M, Kujala H.Hällfors MH, et al. Among authors: virkkala r.Evol Lett. 2023 Mar 12;8(1):89-100. doi: 10.1093/evlett/qrad004. eCollection 2024 Feb.Evol Lett. 2023.PMID: 38370541Free PMC article.