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Costly punishment prevails in intergroup conflict.
Sääksvuori L, Mappes T, Puurtinen M. Sääksvuori L, et al. Proc Biol Sci. 2011 Nov 22;278(1723):3428-36. doi: 10.1098/rspb.2011.0252. Epub 2011 Mar 30. Proc Biol Sci. 2011. PMID: 21450740 Free PMC article.
CP-North: living life in the Nordic countries? A retrospective register research protocol on individuals with cerebral palsy and their parents living in Sweden, Norway, Denmark, Finland and Iceland.
Alriksson-Schmidt AI, Ahonen M, Andersen GL, Eggertsdóttir G, Haula T, Jahnsen R, Jarl J, Jeglinsky-Kankainen I, Jonsdottir G, Seid AK, Ásgeirsdóttir TL, Møller-Madsen B, Nordbye-Nielsen K, Saha S, Steskal D, Sääksvuori L, Hägglund G. Alriksson-Schmidt AI, et al. Among authors: saaksvuori l. BMJ Open. 2019 Oct 1;9(10):e024438. doi: 10.1136/bmjopen-2018-024438. BMJ Open. 2019. PMID: 31575533 Free PMC article.