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Salonen A, Niemi ST, Kannus P, Laitakari E, Mattila VM.Salonen A, et al. Among authors: niemi st.J Child Orthop. 2019 Aug 1;13(4):399-403. doi: 10.1302/1863-2548.13.190049.J Child Orthop. 2019.PMID: 31489046Free PMC article.
Kannus P, Palvanen M, Niemi S, Parkkari J.Kannus P, et al.J Gerontol A Biol Sci Med Sci. 2007 Feb;62(2):180-3. doi: 10.1093/gerona/62.2.180.J Gerontol A Biol Sci Med Sci. 2007.PMID: 17339643