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Saust LT, Bjerrum L, Siersma V, Arpi M, Hansen MP.Saust LT, et al. Among authors: siersma v.Scand J Prim Health Care. 2018 Dec;36(4):372-379. doi: 10.1080/02813432.2018.1523996. Epub 2018 Oct 8.Scand J Prim Health Care. 2018.PMID: 30296885Free PMC article.
Hansen LJ, Olivarius Nde F, Siersma V, Beck-Nielsen H, Pedersen PA.Hansen LJ, et al. Among authors: siersma v.Scand J Prim Health Care. 2003 Jun;21(2):89-95. doi: 10.1080/802813430310001680.Scand J Prim Health Care. 2003.PMID: 12877371Free article.
Hansen LJ, Olivarius Nde F, Siersma V, Drivsholm T, Andersen JS.Hansen LJ, et al. Among authors: siersma v.Scand J Prim Health Care. 2004 Jun;22(2):71-7. doi: 10.1080/02813430310000960.Scand J Prim Health Care. 2004.PMID: 15255484Free article.
Nielsen AB, Siersma V, Kreiner S, Hiort LC, Drivsholm T, Eplov LF, Hollnagel H.Nielsen AB, et al. Among authors: siersma v.Scand J Prim Health Care. 2009;27(3):160-6; 1 p following 166. doi: 10.1080/02813430903020446.Scand J Prim Health Care. 2009.PMID: 19530034Free PMC article.
Jensen JF, Tønnesen LL, Söderström M, Thorsen H, Siersma V.Jensen JF, et al. Among authors: siersma v.Scand J Prim Health Care. 2010 Jun;28(2):115-20. doi: 10.3109/02813432.2010.487346.Scand J Prim Health Care. 2010.PMID: 20470019Free PMC article.
Nielsen AB, Gannik D, Siersma V, Olivarius Nde F.Nielsen AB, et al. Among authors: siersma v.Scand J Prim Health Care. 2011 Sep;29(3):157-64. doi: 10.3109/02813432.2011.585542. Epub 2011 Jun 27.Scand J Prim Health Care. 2011.PMID: 21707235Free PMC article.
Siersma V, Waldemar G, Waldorff FB.Siersma V, et al.Scand J Prim Health Care. 2013 Mar;31(1):7-12. doi: 10.3109/02813432.2012.754092. Epub 2013 Jan 17.Scand J Prim Health Care. 2013.PMID: 23327115Free PMC article.