DuBrock HM, Burger CD, Bartolome SD, Feldman JP, D Ivy D, Rosenzweig EB, Sager JS, Presberg KW, Mathai SC, Lammi MR, et al. Health disparities and treatment approaches in portopulmonary hypertension and idiopathic pulmonary arterial hypertension: an analysis of the Pulmonary Hypertension Association Registry. Pulm Circ. 2021 ;11(3):20458940211020913.