1. Cancer patients' share in a population's Use of opioids
Cancer patients' share in a population's Use of opioids. A linkage study between a prescription database and the danish cancer registry 
Lene Jarlbaek, MD, Morten Andersen, MD, PhD, Jakob Kragstrup, MD, PhD, Jesper Hallas, MD, PhD 
Journal of Pain and Symptom Management 
Volume 27, Issue 1, Pages (January 2004)
DOI: /j.jpainsymman

2. Fig. 1
Number of opioid users per year for weak and for strong opioids, presented for non-cancer patients and cancer patients.
Journal of Pain and Symptom Management  , 36-43DOI: ( /j.jpainsymman )

3. Fig. 2
Consumption of weak (- - -) and strong (—) opioids per year in the population (•) (n∼470,000), separated into cancer (□) and non-cancer patients (▵).
Journal of Pain and Symptom Management  , 36-43DOI: ( /j.jpainsymman )

4. Fig. 3
Drug-use intensity per year for all users' overall opioid use (•), for non-cancer (▵) and cancer patients' (□) use, separated into strong (—) and weak (- - -) opioids.
Journal of Pain and Symptom Management  , 36-43DOI: ( /j.jpainsymman )

5. Fig. 4
Trends in cancer patients' use of the four most significant opioids during 1993–1997.
Journal of Pain and Symptom Management  , 36-43DOI: ( /j.jpainsymman )