Development of a Peripherally Restricted 5-HT2B Partial Agonist for Treatment of Pulmonary Arterial Hypertension. - Valentine MS; Bender AM; Shay S; Paffenroth KC; Gladson S; Dickerson JW; Watson KJ; Kapolka NJ; Boutaud O; Rook JM; Blackwell TS; Roth BL; et al. (JACC. Basic to translational science, 2023)