@inbook{6096210, author={Peter C. Panus and Erin E. Jobst and Susan B. Masters and Bertram Katzung and Suzanne L. Tinsley and Anthony J. Trevor}, title={Chapter 36. Drugs Used to Treat Gastrointestinal Disorders}, booktitle={Pharmacology for the Physical Therapist}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2009}, url={accessphysiotherapy.mhmedical.com/content.aspx?aid=6096210} }