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Piirtola M, Kaprio J, Kujala UM, Heikkilä K, Koskenvuo M, Svedberg P, Silventoinen K, Ropponen A.Piirtola M, et al. Among authors: kaprio j.BMC Public Health. 2016 Aug 4;16:720. doi: 10.1186/s12889-016-3410-5.BMC Public Health. 2016.PMID: 27492437Free PMC article.
Virtanen R, Aromaa M, Koskenvuo M, Sillanpää M, Pulkkinen L, Metsähonkala L, Suominen S, Rose RJ, Helenius H, Kaprio J.Virtanen R, et al. Among authors: kaprio j.Pediatrics. 2004 Oct;114(4):981-7. doi: 10.1542/peds.2003-1103-L.Pediatrics. 2004.PMID: 15466094