Comparison between the disease-specific Airways Questionnaire 20 and the generic 15D instruments in COPD

: Mazur W, Kupiainen H, Pitkäniemi J, Kilpeläinen M, Lindqvist A, Sintonen H, Kinnula VL, Laitinen T

: 2011

: Health and Quality of Life Outcomes

: 3121

: 9

: 1

: 4

: 9

: 1477-7525