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Wikelski M, Martin LB, Scheuerlein A, Robinson MT, Robinson ND, Helm B, Hau M, Gwinner E.Wikelski M, et al. Among authors: scheuerlein a.Philos Trans R Soc Lond B Biol Sci. 2008 Jan 27;363(1490):411-23. doi: 10.1098/rstb.2007.2147.Philos Trans R Soc Lond B Biol Sci. 2008.PMID: 17638688Free PMC article.
Wikelski M, Spinney L, Schelsky W, Scheuerlein A, Gwinner E.Wikelski M, et al. Among authors: scheuerlein a.Proc Biol Sci. 2003 Nov 22;270(1531):2383-8. doi: 10.1098/rspb.2003.2500.Proc Biol Sci. 2003.PMID: 14667355Free PMC article.
Ricklefs RE, Scheuerlein A.Ricklefs RE, et al. Among authors: scheuerlein a.J Gerontol A Biol Sci Med Sci. 2002 Feb;57(2):B69-76. doi: 10.1093/gerona/57.2.b69.J Gerontol A Biol Sci Med Sci. 2002.PMID: 11818426