Effect of Shensong Yangxin on the Progression of Paroxysmal Atrial Fibrillation is Correlated with Regulation of Autonomic Nerve Activity oleh Hong-Yi Zhao, Shu-Di Zhang, Kai Zhang, Xi Wang, Qing-Yan Zhao, Shu-Juan Zhang, Zi-Xuan Dai, Yong-Sheng Qian, You-Jing Zhang, Hao-Tian Wei, Yan-Hong Tang, Cong-Xin Huang