@inbook{1148785513, author={William E. DeTurk and Lawrence P. Cahalin}, editor={DeTurk, William E. and Cahalin, Lawrence P.}, title={Evaluation of Patient Intolerance to Exercise}, booktitle={Cardiovascular and Pulmonary Physical Therapy: An Evidence-Based Approach, 3e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={accessphysiotherapy.mhmedical.com/content.aspx?aid=1148785513} }