1. How to Measure the International Development of Palliative Care
How to Measure the International Development of Palliative Care? A Critique and Discussion of Current Approaches 
Martin Loucka, MSc, Sheila Payne, PhD, Sarah Brearley, PhD 
Journal of Pain and Symptom Management 
Volume 47, Issue 1, Pages (January 2014)
DOI: /j.jpainsymman
Copyright © 2014 U.S. Cancer Pain Relief Committee Terms and Conditions

2. Fig. 1
Search strategy.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2014 U.S. Cancer Pain Relief Committee Terms and Conditions