RT Journal Article SR Electronic T1 Characterisation of paediatric pulmonary hypertensive vascular disease from the PPHNet Registry JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2003337 DO 10.1183/13993003.03337-2020 VO 59 IS 1 A1 Steven H. Abman A1 Mary P. Mullen A1 Lynn A. Sleeper A1 Eric D. Austin A1 Erika B. Rosenzweig A1 John P. Kinsella A1 Dunbar Ivy A1 Rachel K. Hopper A1 J. Usha Raj A1 Jeffrey Fineman A1 Roberta L. Keller A1 Angela Bates A1 Usha S. Krishnan A1 Catherine M. Avitabile A1 Alexander Davidson A1 Marc D. Natter A1 Kenneth D. Mandl A1 , YR 2022 UL http://erj.ersjournals.com/content/59/1/2003337.abstract AB