Portenoy RK, Sibirceva U., Smout R., et al. Opiod use and survival at the end of life: A survey of hospice population. J Pain Symptom Manage. 2006;32(6):532-540.
2.
The doctrine of double effect.http://plato.stanford.edu/entries/double-effect/. Accessed June 8, 2009.
3.
Gilbert CR, Smith CMAdvanced lung disease: Quality of life and role of palliative care. Mt Sinai J Med. 2009;76(1):63-70.
4.
Quill TE, Dresser R., Brock DWThe rule of double effect: A critique of its role in end-of-life decision making. N Engl J Med. 1997;337(24):1768-1771.
5.
von Gunten CFMorphine and Hastened Death. Fast Fact and Concept #8. 2nd ed. End-of-Life Physician Education Resource Center. http://www.eperc.mcw.edu . Accessed July 1, 2009.
