EXPRESS: Acute Vasoreactivity Testing in Pediatric Idiopathic Pulmonary Arterial Hypertension: an international Survey on Current Practice.

Caicedo L, Hopper RK, Garcia H, Ivy DD, Haag D, Fineman J, Humpi T, Al-Tamimi O, Feinstein J, Berger RM, Berman-Rosenzweig E, Kashour T, Diaz GF, Mendoza A, Bobhate P, Handler S, Lopes AA, Barwad P, Kumar Rahit M, Krishnan U, Adatia ITK, Moledina S, Abman S, Cerro Marin MJD