@inbook{57271942, author={Marzouq Awni Qubti, MD and John A. Flynn, MD, MBA}, editor={Imboden, John B. and Hellmann, David B. and Stone, John H.}, title={Chapter 17. Ankylosing Spondylitis & the Arthritis of Inflammatory Bowel Disease}, booktitle={CURRENT Diagnosis & Treatment: Rheumatology, 3e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2013}, url={accessmedicine.mhmedical.com/content.aspx?aid=57271942} }