@inbook{121561, author={David T. Schwartz}, title={Chapter I-5. Lobar Atelectasis—Spinal Cord Compression}, booktitle={Emergency Radiology: Case Studies}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2008}, url={accessemergencymedicine.mhmedical.com/content.aspx?aid=121561} }