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Journals and Conferences
In a recent issue of your journal a paper by Tryggvadottir et al (TTG) (1997) was published. The paper is based on a study that is a replication of one that we have already reported [T6masson and Tomasson, 1996 (TT)] using the same databases. The differences between these two studies are that their observation period is 6 years longer than ours, that they… (More)