N. Lencer

Diagnosing diastolic heart failure

P. Doevendans, D. Lips, P. Doevendans, 2002, European journal of heart failure.

Striking similarities in systemic factors contributing to decreased exercise capacity in patients with severe chronic heart failure or COPD.

E. Wouters, F. Franssen, G. J. van der Vusse, 2003, Chest.

Reliability, agreement, and responsiveness of a 6-minute walk/run test in patients with heart disease

M. Ilhan, George M Roox, A. Lenssen, 2013, European journal of preventive cardiology.