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Lund I, Scheffels J.Lund I, et al. Among authors: scheffels j.BMC Public Health. 2013 Oct 24;13:1005. doi: 10.1186/1471-2458-13-1005.BMC Public Health. 2013.PMID: 24156515Free PMC article.
Lund I, Scheffels J.Lund I, et al. Among authors: scheffels j.Nicotine Tob Res. 2012 Feb;14(2):169-75. doi: 10.1093/ntr/ntr159. Epub 2011 Oct 24.Nicotine Tob Res. 2012.PMID: 22025541
Lund I, Scheffels J.Lund I, et al. Among authors: scheffels j.Nicotine Tob Res. 2014 Jun;16(6):815-9. doi: 10.1093/ntr/ntu001. Epub 2014 Feb 5.Nicotine Tob Res. 2014.PMID: 24500685