Acute vasoreactivity testing in pediatric idiopathic pulmonary arterial hypertension: an international survey on current practice oleh Lina Caicedo, Rachel Hopper, Humberto Garcia Aguilar, Dunbar Ivy, Dora Haag, Jeff Fineman, Tillman Humpl, Omar Al-Tamimi, Jeff A. Feinstein, Rolf Berger, Erika Rosenzweig, Tarek Kashour, Gabriel Fernando Diaz, Alberto Mendoza, Usha Krishnan, Prashant Bobhate, Stephanie Handler, Antonio Augusto Lopes, Manoj Kumar Rahit, Parag Barward, Carlos Labrandero de Lera, Ian Adatia, Shahin Moledina, Steven Abman, Maria Jesus del Cerro