title: The consequences of contracting early and often.
authors.affiliation: John Hopkins University, Baltimore, Maryland. Electronic address: gtomasel@jhmi.edu.
authors.forename: Gordon F
authors.initials: GF
authors.lastname: Tomaselli
mesh_terms: D000818:Animals; D009202:Cardiomyopathies / Q000209:etiology* / Q000503:physiopathology*; D032342:Muscle Cells / Q000166:cytology*; D018879:Ventricular Premature Complexes / Q000150:complications* / Q000503:physiopathology*