@inbook{1186011735, author={Maxine A. Papadakis and Stephen J. McPhee and Jennifer Bernstein}, title={Ventricular Premature Beats (Ventricular Extrasystoles)}, booktitle={Quick Medical Diagnosis & Treatment 2022}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2022}, url={accessmedicine.mhmedical.com/content.aspx?aid=1186011735} }