Double effect and two hard cases in medical ethics

2015

Christopher Tollefsen

American Catholic Philosophical Quarterly 89 (3)

Response to Robert Koons and Matthew O'Brien's "Objects of intention: a hylomorphic critique of the new natural law theory"

2013

Christopher Tollefsen

American Catholic Philosophical Quarterly 87 (4)

Augustine, Aquinas, and the absolute norm against lying

2012

Christopher Tollefsen

American Catholic Philosophical Quarterly 86 (1)

Some questions for philosophical embryology

2011

Christopher Tollefsen

American Catholic Philosophical Quarterly 85 (3)

No problem

a response to Bernard Prusak's "The problem with the problem of the embryo"

2009

Christopher Tollefsen

American Catholic Philosophical Quarterly 83 (4)

Sic et non

some disputed questions in reproductive ethics

2004

Christopher Tollefsen

in: Handbook of bioethics, Berlin,