1. Factors Correlated with Dyspnea in Advanced Lung Cancer Patients
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 6, Pages (June 2002)
DOI: /S (02)

2. Fig. 1
Correlation between dyspnea and correlated factors in advanced lung cancer patients. aCancer Dyspnea Scale. b Hospital Anxiety and Depression Scale. c Judged by expert physicians. dGraded by patients on a 4-point scale from 1 (none) to 4 (severe).
Journal of Pain and Symptom Management  , DOI: ( /S (02) )