1. Impact of Dyspnea, Pain, and Fatigue on Daily Life Activities in Ambulatory Patients with Advanced Lung Cancer 
Keiko Tanaka, MD, Tatsuo Akechi, MD, PhD, Toru Okuyama, MD, PhD, Yutaka Nishiwaki, MD, Yosuke Uchitomi, MD, PhD 
Journal of Pain and Symptom Management 
Volume 23, Issue 5, Pages (May 2002)
DOI: /S (02)

2. Fig. 1
Correlations between symptom severity, rated on a 0–10-point numerical scale, and the accumulated percentage of patients whose activities were disturbed (n = 171).
Journal of Pain and Symptom Management  , DOI: ( /S (02) )