Jehn, M., Schmidt-Trucksäss, A., Hanssen, H., Schuster, T., Halle, M., & Köhler, F. (2011). Association of physical activity and prognostic parameters in elderly patients with heart failure. Journal of aging and physical activity, 19(1), S. 1-15. doi:10.1123/japa.19.1.1

Jehn, Melissa, Arno Schmidt-Trucksäss, Henner Hanssen, Tibor Schuster, Martin Halle, and Friedrich Köhler. "Association of Physical Activity and Prognostic Parameters in Elderly Patients With Heart Failure." Journal of Aging and Physical Activity 19, no. 1 (2011): S. 1-15.

Jehn, Melissa, et al. "Association of Physical Activity and Prognostic Parameters in Elderly Patients With Heart Failure." Journal of Aging and Physical Activity 19.1 (2011): S. 1-15.