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Kristiansen IS, Gyrd-Hansen D, Nexøe J, Nielsen JB.Kristiansen IS, et al.Scand J Prim Health Care. 2002 Dec;20(4):252; author reply 253. doi: 10.1080/028134302321004935.Scand J Prim Health Care. 2002.PMID: 12564579No abstract available.