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Habekost T, Petersen A, Vangkilde S.Habekost T, et al. Among authors: petersen a.Behav Res Methods. 2014 Mar;46(1):81-94. doi: 10.3758/s13428-013-0341-2.Behav Res Methods. 2014.PMID: 23592299Clinical Trial.
Vangkilde S, Petersen A, Bundesen C.Vangkilde S, et al. Among authors: petersen a.Philos Trans R Soc Lond B Biol Sci. 2013 Sep 9;368(1628):20130054. doi: 10.1098/rstb.2013.0054. Print 2013 Oct 19.Philos Trans R Soc Lond B Biol Sci. 2013.PMID: 24018716Free PMC article.