Procedural Variation May Contribute to 6-Minute Walk Distance Variability in Real-World Pediatric Pulmonary Arterial Hypertension Study.

Kleppinger C, Ivy D, Stockbridge N, Bates A, Handler S, Krishnan US, Mullen MP, Yung D, Hopper RK, Varghese NP, Fineman J, Austin ED, Avitabile CM, Freire G, Clark J, Sun H