doi.org/10.1016/S0735-1097(98)00126-0, hdl.handle.net/1765/31866
Journal of the American College of Cardiology
Erasmus MC: University Medical Center Rotterdam

Berger, R., Geiger, R., Meijboom, F., Bridges, N. D., & Clabby, M. L. (1998). Before predicting survival in children with pulmonary hypertension and congenital heart disease.. [7] (multiple letters). Journal of the American College of Cardiology, 31(6), 1447–1448. doi:10.1016/S0735-1097(98)00126-0