The study of risk in pulmonary arterial hypertension
Lewis J. Rubin, Gerald Simonneau, David Badesch, Nazzareno Galiè, Marc Humbert, Anne Keogh, Joseph Massaro, Marco Matucci Cerinic, Olivier Sitbon, Steven Kymes
European Respiratory Review Sep 2012, 21 (125) 234-238; DOI: 10.1183/09059180.00003712