TY - JOUR AU - Rhee, Chin Kook AU - Jung, Ki-Suck PY - 2021 TI - The global status of chronic obstructive pulmonary disease JF - Journal of Thoracic Disease; Vol 13, No 6 (June 28, 2021): Journal of Thoracic Disease Y2 - 2021 KW - N2 - UR - https://jtd.amegroups.org/article/view/53248