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Kirsch JA, Mayer GC.Kirsch JA, et al.Philos Trans R Soc Lond B Biol Sci. 1998 Jul 29;353(1372):1221-37. doi: 10.1098/rstb.1998.0278.Philos Trans R Soc Lond B Biol Sci. 1998.PMID: 9720117Free PMC article.
Kirsch JA, Pettigrew JD.Kirsch JA, et al.Philos Trans R Soc Lond B Biol Sci. 1998 Mar 29;353(1367):381-8. doi: 10.1098/rstb.1998.0216.Philos Trans R Soc Lond B Biol Sci. 1998.PMID: 9569431Free PMC article.
Hutcheon JM, Kirsch JA, Pettigrew JD.Hutcheon JM, et al. Among authors: kirsch ja.Philos Trans R Soc Lond B Biol Sci. 1998 Apr 29;353(1368):607-17. doi: 10.1098/rstb.1998.0229.Philos Trans R Soc Lond B Biol Sci. 1998.PMID: 9602535Free PMC article.
Kirsch JA, Dickerman AW, Reig OA, Springer MS.Kirsch JA, et al.Proc Natl Acad Sci U S A. 1991 Dec 1;88(23):10465-9. doi: 10.1073/pnas.88.23.10465.Proc Natl Acad Sci U S A. 1991.PMID: 1961710Free PMC article.