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Lohi O, Kanerva J, Taskinen M, Harila-Saari A, Rounioja S, Jahnukainen K, Lähteenmäki P, Vettenranta K.Lohi O, et al. Among authors: jahnukainen k.Duodecim. 2013;129(9):939-46.Duodecim. 2013.PMID: 23786106Review.Finnish.