1. Clinical experience with an active sensing pacemaker;Lindemans;PACE,1986
2. Single-lead rate-responsive permanent cardiac pacing in very young children (abstr);Ladusans;Clin Prog Electrophysiol Pacing,1986
3. Ventricular rate responsive activity pacing in children (abstr);Kiel;Clin Res,1987
4. Bruce treadmill test in children: normal values in a clinical population;Cummings;Am J Cardiol,1978