1. Levine PA, Hayes DL, Wilkoff BL, Ohman AE (1990) Electrocardiography of ratemodulated pacemaker rhythms. Siemens-Pacesetter, Sylmar
2. Vey G, Werner K (1989) Interaction of sensor-driven pacing and intrinsic atrial activity in dual chamber rate-responsive pacemakers. PACE 12:1577
3. Ritter P (1990) La stimulation DDDR définitive:aspects techniques. Stimucoeur 18:29
4. Hayes DL, Higano ST (1991) DDDR pacing. Follow-up and complications. In:Barold SS, Mugica J (eds) New perspectives in cardiac pacing. Futura, Mt Kisco, p 473
5. Higano ST, Hayes DL (1989) P wave tracking above the maximum tracking rate in a DDDR pacemaker. PACE 12:1044