Research ethics: Must subjects waive the right to withdraw from a xenotransplant clinical trial?

Affiliations

• ¹ Department of Philosophy and Center for Bioethics, Health and Society, Wake Forest University, Winston-Salem, NC.
• ² Department of Medicine, University of Maryland, School of Medicine, Baltimore, Md.
• ³ Division of Cardiothoracic Surgery, Department of Surgery, Medical University of South Carolina, Charleston, SC. Electronic address: [email protected].