Factors associated with exacerbation in mild- to-moderate COPD patients

by Kim, Joo Kyung, Lee, Soo Haeng, Lee, Bho Hyeon, Lee, Chang Youl, Kim, Do Jin, Min, Kyung Hoon, Kim, Sung Kyoung, Yoo, Kwang Ha, Jung, Ki-Suck, Hwang, Yong Il
Published 2016