title: [Alteration of coupling ventricular premature beat cycles in electrocardiogram].
authors.forename: Zhong
authors.initials: Z
authors.lastname: Qiu
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D015716:Electrocardiography, Ambulatory; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D018879:Ventricular Premature Complexes / Q000145:classification / Q000175:diagnosis*