1. Multicenter Study of Pain and Its Management in Patients with Advanced Cancer in Korea 
Young Ho Yun, MD, Dae Seog Heo, MD, In Goo Lee, MD, Hyun Sik Jeong, MD, Hyo Jin Kim, MD, Si-Young Kim, MD, Yeul Hong Kim, MD, You Ja Ro, RN, PhD, Sung Soo Yoon, MD, Ki Hyeong Lee, MD, Bong Yul Huh, MD 
Journal of Pain and Symptom Management 
Volume 25, Issue 5, Pages (May 2003)
DOI: /S (03)

2. Fig. 1
Comparison of pain estimation between patients' ratings and doctors' ratings of patients' worst pain (random sample size: 15%) r = (P < 0.01). Intersection indicates the point where the patients' ratings and the doctors' ratings met.
Journal of Pain and Symptom Management  , DOI: ( /S (03) )