1. Blömer H, Wirtzfeld A, Delius W, Sebening H (1977) Das Sinusknoten-Syndrom. Perimed, Erlangen
2. Breithardt G, Seipel L, Wiebringhaus E, Leuner C (1979) Diagnostische Wertigkeit verschiedener Parameter der Sinusknotenfunktion. Z Kardiol 68: 382–389
3. Dhingra RC, Amat-y-Leon F, Wyndham C, Deedwania PC, Wu D, Denes P, Rosen KM (1977) Clinical significance of prolonged sinoatrial conduction time. Circulation 55: 8–15
4. Evans TR, Callowhill EA, Krikler DM (1978) Clinical value of tests of sinoatrial function. Pace 1: 1–7
5. Ferrer MI (1968) The sick sinus syndrome in atrial disease. J Am Med Assoc 206: 645–646