E. Abston, S. Hon, R. Lawrence, J. Berman, P. Govender, and H. W. Farber, “Treatment of newly diagnosed sarcoid-associated pulmonary hypertension with ambrisentan and tadalafil combination therapy”, Sarcoidosis Vasc Diffuse Lung Dis, vol. 37, no. 2, pp. 234–238, Jun. 2020, doi: 10.36141/svdld.v37i2.9343.