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Johansson A, Henriksson A, Olofsson BO, Olsson T.Johansson A, et al. Among authors: olofsson bo.J Intern Med. 1999 Apr;245(4):345-51. doi: 10.1046/j.1365-2796.1999.00455.x.J Intern Med. 1999.PMID: 10356596Free article.