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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 21 (125) 234-238; DOI: 10.1183/09059180.00003712 Published 31 August 2012