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Stensvold D, Nauman J, Nilsen TI, Wisløff U, Slørdahl SA, Vatten L.Stensvold D, et al. Among authors: vatten l.BMC Med. 2011 Sep 29;9:109. doi: 10.1186/1741-7015-9-109.BMC Med. 2011.PMID: 21958416Free PMC article.
Kvikstad A, Vatten LJ.Kvikstad A, et al. Among authors: vatten lj.J Epidemiol Community Health. 1996 Feb;50(1):51-5. doi: 10.1136/jech.50.1.51.J Epidemiol Community Health. 1996.PMID: 8762354Free PMC article.
Nilsen TI, Vatten LJ.Nilsen TI, et al. Among authors: vatten lj.Br J Cancer. 2001 Feb 2;84(3):417-22. doi: 10.1054/bjoc.2000.1582.Br J Cancer. 2001.PMID: 11161410Free PMC article.