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Koutis AD, Isacsson A, Lindholm LH, Lionis CD, Svenninger K, Fioretos M.Koutis AD, et al. Among authors: lionis cd.Scand J Prim Health Care. 1991 Dec;9(4):297-302. doi: 10.3109/02813439109018536.Scand J Prim Health Care. 1991.PMID: 1792458Free article.