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Steffensen FH, Lauritzen T, Sørensen HT.Steffensen FH, et al. Among authors: sorensen ht.Scand J Prim Health Care. 1995 Sep;13(3):236-7. doi: 10.3109/02813439508996767.Scand J Prim Health Care. 1995.PMID: 7481178Free article.No abstract available.