%0 Journal Article %T Concealed Pulmonary Vein Bigeminy during Sinus Rhythm in Patients with Paroxysmal Atrial Fibrillation: A Useful Marker for Pulmonary Vein Firing %A Jiqiang Hu %A Qian Lin %A Wu Kuang %A Xiaoyun Cui %A Xuan Wang %A Yan Li %A Yang Wu %J Archive of "Cardiology Research and Practice". %D 2018 %R 10.1155/2018/1834514 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6311727/