title: The Medical Costs of Chronic Obstructive Pulmonary Disease in South Korea.
authors.affiliation: Seoul National University, Seoul, South Korea.
authors.forename: D W
authors.initials: DW
authors.lastname: Yang
authors.affiliation: Seoul National University, Seoul, South Korea.
authors.forename: Y
authors.initials: Y
authors.lastname: Kim
authors.affiliation: Seoul National University, Seoul, South Korea.
authors.forename: S
authors.initials: S
authors.lastname: Jang
authors.affiliation: Seoul National University, Seoul, South Korea.
authors.forename: J M
authors.initials: JM
authors.lastname: Hong
authors.affiliation: Seoul National University, Seoul, South Korea.
authors.forename: J
authors.initials: J
authors.lastname: Yi
authors.affiliation: Seoul National University, Seoul, South Korea.
authors.forename: I S
authors.initials: IS
authors.lastname: Kim
authors.affiliation: Seoul National University, Seoul, South Korea.
authors.forename: B M
authors.initials: BM
authors.lastname: Yang
authors.affiliation: Asan Medical Center, University of Ulsan, Seoul, South Korea.
authors.forename: S W
authors.initials: SW
authors.lastname: Lee
authors.affiliation: National Health Insurance System Ilsan Hospital, Goyang, South Korea.
authors.forename: C
authors.initials: C
authors.lastname: Kim
authors.affiliation: Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, South Korea.
authors.forename: C K
authors.initials: CK
authors.lastname: Rhee