YASUO KITAMURA et al. Serial Measurements of Tricuspid Regurgitation Pressure Gradient by Echocardiography Predict Prognosis in Idiopathic Pulmonary Fibrosis. Pulmonary Research and Respiratory Medicine, [S. l.], v. 3, n. 1, p. 2–9, 2016. Disponível em: https://openventio.us/index.php/PRRM/article/view/2146. Acesso em: 6 sep. 2026.