1. The International Observatory on End of Life Care: A Global View of Palliative Care Development 
David Clark, PhD, Michael Wright, PhD 
Journal of Pain and Symptom Management 
Volume 33, Issue 5, Pages (May 2007)
DOI: /j.jpainsymman
Copyright © 2007 U.S. Cancer Pain Relief Committee Terms and Conditions

2. Fig. 1 The global distribution of palliative care development.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2007 U.S. Cancer Pain Relief Committee Terms and Conditions