@inbook{1160317803, author={D Stern and E Shamus}, editor={Shamus, Eric}, title={Reguritation, Aortic (AR)}, booktitle={Quick Answers: Physiotherapy}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={accessphysiotherapy.mhmedical.com/content.aspx?aid=1160317803} }