title: Variability of ventricular premature contractions.
authors: G
authors: G
authors: Schmidt
authors: K
authors: K
authors: Ulm
authors: P
authors: P
authors: Barthel
mesh_terms: D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use; D005117:Cardiac Complexes, Premature / Q000188:drug therapy*; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D008955:Models, Cardiovascular; D013997:Time Factors
chemical_list: D000889:Anti-Arrhythmia Agents