کتاب های Christopher Tollefsen
John Paul Ii's Contribution To Catholic Bioethics
Associate Professor Christopher Tollefsen (auth.), Associate Professor Christopher Tollefsen (eds.), 2004
Biomedical Research and Beyond: Expanding the Ethics of Inquiry (Routledge Annals of Bioethics)
Christopher Tollefsen, 2007
Embryo: A Defense of Human Life
Robert P. George,Christopher Tollefsen, 2011
