Dongen, C. van, M. Janssen, R. van der Horst, D. van Kraaij, R. Peeters, L. van den Toorn, and R. Mostard. “Unusually Rapid Development of Pulmonary Hypertension and Right Ventricular Failure After COVID-19 Pneumonia”. European Journal of Case Reports in Internal Medicine, vol. 7, no. 7, June 2020, doi:10.12890/2020_001784.