The Effect of Physiological Dual Chamber (Vitatron 900E) on Prevention of Paroxysmal Atrial Fibrillation (AF) in Patients with Sick Sinus Syndrome (SSS)

• 生理性双腔起搏器（Vitatron 900E）对病态窦房结综合征伴阵发性房颤患者的预防评价