Keusch, Stephan, Anina Bucher, Séverine Müller-Mottet, Elisabeth Hasler, Marco Maggiorini, Rudolf Speich, and Silvia Ulrich. 2014. “Experience With Exercise Right Heart Catheterization in the Diagnosis of Pulmonary Hypertension: A Retrospective Study”. Multidisciplinary Respiratory Medicine 9 (1). https://doi.org/10.4081/mrm.2014.386.