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Johansson EE, Hamberg K, Lindgren G, Westman G.Johansson EE, et al. Among authors: hamberg k.Scand J Prim Health Care. 1997 Dec;15(4):169-74. doi: 10.3109/02813439709035022.Scand J Prim Health Care. 1997.PMID: 9444718
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.