Three phenotypes of obstructive lung disease in the elderly.
Jo
K-W
KW
Department of Pulmonary and Critical Care Medicine & Clinical Research Center for Chronic Obstructive Airway Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
Ra
S W
SW
Chae
E J
EJ
Seo
J B
JB
Kim
N K
NK
Lee
J-H
JH
Kim
E-K
EK
Lee
Y K
YK
Kim
T-H
TH
Huh
J W
JW
Kim
W J
WJ
Lee
J H
JH
Lee
S-M
SM
Lim
S Y
SY
Shin
T R
TR
Yoon
H I
HI
Sheen
S S
SS
Lee
J S
JS
Lee
S-D
SD
Oh
Y-M
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