aDepartment of Epidemology and Biostatitics, School of Public Health, Peking University, No. 38, Xueyuan Road, Haidian District, Beijing, 100191, China bDepartment of National Fitness and Scientific ...

Background The diagnosis of interstitial lung disease (ILD) can pose a challenge as the pulmonary function test (PFT) is only minimally affected at the onset. To improve early diagnosis, this study ...