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Virtala A, Vilska S, Huttunen T, Kunttu K.Virtala A, et al. Among authors: kunttu k.Eur J Contracept Reprod Health Care. 2011 Apr;16(2):108-15. doi: 10.3109/13625187.2011.553295. Epub 2011 Jan 31.Eur J Contracept Reprod Health Care. 2011.PMID: 21281094
Oksanen A, Laimi K, Björklund K, Löyttyniemi E, Kunttu K.Oksanen A, et al. Among authors: kunttu k.Cent Eur J Public Health. 2017 Jun;25(2):113-119. doi: 10.21101/cejph.a4438.Cent Eur J Public Health. 2017.PMID: 28662321Free article.
Paldanius S, Seilo N, Kunttu K, Autio R, Kaila M.Paldanius S, et al. Among authors: kunttu k.JMIR Res Protoc. 2020 Jan 29;9(1):e14535. doi: 10.2196/14535.JMIR Res Protoc. 2020.PMID: 32012093Free PMC article.