- Opioid pharmacotherapy for chronic non-cancer pain in the United States: a research guideline for developing an evidence-base. The journal of pain : official journal of the American Pain Society. 2010 Academic Article GET IT
A comparison of visual analogue and numerical rating scale formats for the Lung Cancer Symptom Scale (LCSS): does format affect patient ratings of symptoms and quality of life?.
Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation.
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