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Aström S, Adolfsson R, Sandman PO, Wedman I, Winblad B.Aström S, et al. Among authors: sandman po.Compr Gerontol B. 1987 Dec;1(3):94-9.Compr Gerontol B. 1987.PMID: 3502922
Wimo A, Adolfsson R, Sandman PO.Wimo A, et al. Among authors: sandman po.Scand J Prim Health Care. 1995 Sep;13(3):205-10. doi: 10.3109/02813439508996762.Scand J Prim Health Care. 1995.PMID: 7481173Free article.Clinical Trial.