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Hamberg K, Risberg G, Johansson EE.Hamberg K, et al.Scand J Public Health. 2004;32(2):144-52. doi: 10.1080/14034940310015401.Scand J Public Health. 2004.PMID: 15255504
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Johansson E, Hamberg K.Johansson E, et al. Among authors: hamberg k.Lakartidningen. 1998 Jan 14;95(3):197-9.Lakartidningen. 1998.PMID: 9467292Swedish.No abstract available.
Hamberg K, Johansson E, Mattsson B.Hamberg K, et al.Lakartidningen. 1998 Mar 18;95(12):1291-2, 1295; discussion 1295-6.Lakartidningen. 1998.PMID: 9542843Swedish.No abstract available.