Association of moderate-to-vigorous physical activity with reduction of acute exacerbation in COPD patients using a dual ultra-long-acting bronchodilators. - Kim, Taeyun; Kim, Hyunsoo; Shin, Sun Hye; Im, Yunjoo; Kong, Sunga; Choi, Hye Sook; Zo, Sungmin; Kim, Sang Hyuk; Choi, Yeonseok; Kang, Danbee; Park, Hye Yun (Scientific Reports, 2024)