title: Three phenotypes of obstructive lung disease in the elderly.
authors.affiliation: 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.
authors.forename: K-W
authors.initials: KW
authors.lastname: Jo
authors.forename: S W
authors.initials: SW
authors.lastname: Ra
authors.forename: E J
authors.initials: EJ
authors.lastname: Chae
authors.forename: J B
authors.initials: JB
authors.lastname: Seo
authors.forename: N K
authors.initials: NK
authors.lastname: Kim
authors.forename: J-H
authors.initials: JH
authors.lastname: Lee
authors.forename: E-K
authors.initials: EK
authors.lastname: Kim
authors.forename: Y K
authors.initials: YK
authors.lastname: Lee
authors.forename: T-H
authors.initials: TH
authors.lastname: Kim
authors.forename: J W
authors.initials: JW
authors.lastname: Huh
authors.forename: W J
authors.initials: WJ
authors.lastname: Kim
authors.forename: J H
authors.initials: JH
authors.lastname: Lee
authors.forename: S-M
authors.initials: SM
authors.lastname: Lee
authors.forename: S Y
authors.initials: SY
authors.lastname: Lim
authors.forename: T R
authors.initials: TR
authors.lastname: Shin
authors.forename: H I
authors.initials: HI
authors.lastname: Yoon
authors.forename: S S
authors.initials: SS
authors.lastname: Sheen
authors.forename: J S
authors.initials: JS
authors.lastname: Lee
authors.forename: S-D
authors.initials: SD
authors.lastname: Lee
authors.forename: Y-M
authors.initials: YM
authors.lastname: Oh