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aDepartment of Medicine, Division of Hematology/Oncology, Charles Warren Fairbanks Center for Medical Ethics, Indiana University Center for Bioethics, Indiana University Cancer Center, Indiana University School of Medicine, Indianapolis, IN bIndiana University School of Medicine, Charles Warren Fairbanks Center for Medical Ethics, Indiana University Center for Bioethics, Department of Communication Studies, Indiana University School of Nursing, Indiana University School of Informatics, Indiana University Purdue University at Indianapolis, Indianapolis, IN. Competing Interests Declared: None. *Correspondence address: Paul R Helft, MD, Department of Medicine, Division of Hematology/Oncology, Charles Warren Fairbanks Center for Medical Ethics, Indiana University Center for Bioethics, Indiana University Cancer Center, Indiana University School of Medicine, 535 Barnhill Drive, RT 473, Indianapolis, IN 46202. email: [email protected] Submitted May 7, 2007; revised July 2, 2007; accepted July 17, 2007.
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Helft et al. (2007) studied this question.
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