doi.org/10.1016/S0002-9149(99)00195-2, hdl.handle.net/1765/58651
The American Journal of Cardiology
Department of Medical Informatics

Wijbenga, A., Mosterd, A., Kasprzak, J., Ligthart, J., Vletter, W., Balk, A., & Roelandt, J. (1999). Potentials and limitations of the valsalva maneuver as a method of differentiating between normal and pseudonormal left ventricular filling patterns. The American Journal of Cardiology, 84(1), 76–81. doi:10.1016/S0002-9149(99)00195-2