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Hiltunen JK, Filppula SA, Koivuranta KT, Siivari K, Qin YM, Häyrinen HM.Hiltunen JK, et al. Among authors: koivuranta kt.Ann N Y Acad Sci. 1996 Dec 27;804:116-28. doi: 10.1111/j.1749-6632.1996.tb18612.x.Ann N Y Acad Sci. 1996.PMID: 8993540Review.