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Katz SJ, Welch WP, Verrilli D.Katz SJ, et al. Among authors: verrilli d.Med Care Res Rev. 1997 Sep;54(3):301-20; discussion 321-5. doi: 10.1177/107755879705400304.Med Care Res Rev. 1997.PMID: 9437170Free article.No abstract available.