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Ketting CH, Austin-Seymour MM, Kalet IJ, Jacky JP, Kromhout-Schiro SE, Hummel SM, Unger JM, Fagan LM.Ketting CH, et al. Among authors: hummel sm.Proc Annu Symp Comput Appl Med Care. 1995:683-7.Proc Annu Symp Comput Appl Med Care. 1995.PMID: 8563374Free PMC article.