1. The Use of Controlled-Release Oxycodone for the Treatment of Chronic Cancer Pain 
Winston C.-V. Parris, MD, Benjamin W. Johnson, MD, Marilyn K. Croghan, MD, Melvin R. Moore, MD, Ali Khojasteh, MD, Robert F. Reder, MD, Robert F. Kaiko, PhD, Barbara J. Buckley 
Journal of Pain and Symptom Management 
Volume 16, Issue 4, Pages (October 1998)
DOI: /S (98)

2. Fig. 1
Mean (± two SE) daily pain intensity scores over the 5-day study period in cancer pain patients treated with CR oxycodone (•) and IR oxycodone (○). Categorical scale of 0 = none, 1 = slight, 2 = moderate, and 3 = severe
Journal of Pain and Symptom Management  , DOI: ( /S (98) )

3. Fig. 2
Mean (± two SE) acceptability of therapy scores over the 5-day study period in cancer pain patients treated with CR oxycodone (•) and IR oxycodone (○). Categorical scale of 1 = very poor, 2 = poor, 3 = fair, 4 = good, and 5 = excellent
Journal of Pain and Symptom Management  , DOI: ( /S (98) )