@inbook{1127168613, author={Christy M. Lawson and Oscar Grandas}, editor={Dieter, Robert S. and Dieter, Raymond A. and Dieter, Raymond A.}, title={Approach to the Patient with Critical Limb Ischemia of the Lower Extremities: Chronic Peripheral Arterial Disease}, booktitle={Peripheral Arterial Disease}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2009}, url={accesscardiology.mhmedical.com/content.aspx?aid=1127168613} }