Nakamura J, Sato T, Ohira H, Yoshikawa S, Hattori T, Manabe O, Oyama-Manabe N, Tsuneta S, Kimura H, Takenaka S, Nagai T, Anzai T, Nishimura M, Yokota I, Tsujino I, Konnno S Prevalence, incidence, and clinical features of cardiac involvement in patients with pulmonary sarcoidosis. Respir Med. [Epub ahead of print]