Health-related quality of life in patients by COPD severity within primary care in Europe.
Jones
P W
PW
Division of Clinical Science, St George's University of London, London, UK. pjones@sghms.ac.uk
Brusselle
G
G
Dal Negro
R W
RW
Ferrer
M
M
Kardos
P
P
Levy
M L
ML
Perez
T
T
Soler-Cataluña
J J
JJ
van der Molen
T
T
Adamek
L
L
Banik
N
N