Murata, O. et al. 2021. Incidence and baseline characteristics of relapse or exacerbation in patients with pulmonary sarcoidosis in Japan: Pulmonary sarcoidosis baseline risk factors for long-term outcome in Japan. Sarcoidosis, Vasculitis and Diffuse Lung Diseases. 38, 3 (Sep. 2021), e2021026. DOI:https://doi.org/10.36141/svdld.v38i3.11327.