medicine, therefore, imposes obligations that are purely optional or supererogatory from a naturalistic perspective. Among evangelical Protestants, John Jefferson Davis, Scott Rae, and Paul Cox offer examples of this distinct but legitimate approach but in a different vein from the Roman Catholic perspective of Pellegrino and Thomasma. These three evangelical writers believe that Christians must operate within the broader health-care system and participate in its bioethics debates, and they encourage
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