title: Ventricular tachycardia with frequent retrograde P waves.
authors.affiliation: Department of Cardiology, Tangdu Hospital, Fourth Military Medical University, No.1, Xinsi Road, BaQiao district, Xi'an, 710038, People's Republic of China.
authors.forename: F
authors.initials: F
authors.lastname: Shang
authors.forename: J
authors.initials: J
authors.lastname: Wang
authors.forename: B
authors.initials: B
authors.lastname: Wang
authors.forename: Z
authors.initials: Z
authors.lastname: Li
authors.forename: Y
authors.initials: Y
authors.lastname: Xue