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Graven T, Wahba A, Hammer AM, Sagen O, Olsen Ø, Skjetne K, Kleinau JO, Dalen H.Graven T, et al. Among authors: sagen o.Scand Cardiovasc J. 2015 Feb;49(1):56-63. doi: 10.3109/14017431.2015.1009383. Epub 2015 Feb 6.Scand Cardiovasc J. 2015.PMID: 25611808Free PMC article.
Densen PM, Dunn HL, Ross MA, Sagen OK, West H.Densen PM, et al. Among authors: sagen ok.Am J Public Health Nations Health. 1949 May;39(5 Pt 2):152-8. doi: 10.2105/ajph.39.5_pt_2.152.Am J Public Health Nations Health. 1949.PMID: 18017158Free PMC article.No abstract available.