“A Comparison of Methods to Communicate Treatment Preferences in Nursing Facilities: Traditional Practices Versus the Physician Orders for Life-Sustaining Treatment Program”  Authors: Susan E. Hickman, PhD, Christine A. Nelson, PhD, RN, Nancy A. Perrin, PhD, Alvin H. Moss, MD, Bernard J. Hammes, PhD, and Susan W. Tolle, MD  2010, July; Volume 58, Issue 7: 1241-1248

Physician’s Order for Life-Sustaining Treatment: Helpful or New Threat?  Author:  Charlotte Hays, National Catholic Register, Posted May 16, 2012

POLST Offers Next Stage in Honoring Patient Preferences Authors: Diane E. Meier, MD and Larry Beresford  2009, March; Volume 12, Number 4: 291-295