Understanding racial differences of COPD patients with an ecological model: two large cohort studies in the US and Korea

by Hye Yun Park, Hyun Lee, Danbee Kang, Hye Sook Choi, Yeong Ha Ryu, Ki-Suck Jung, Don D. Sin, Juhee Cho, Kwang Ha Yoo
Published 2021-01-01