@inbook{1198803598, author={Beverly C. Mims}, editor={Matthias, Kathryn R. and Katz, Michael D.}, title={Constipation}, booktitle={Pharmacotherapy Principles and Practice Study Guide, 6e}, publisher={McGraw Hill}, address={New York, NY}, year={2023}, url={ppp.mhmedical.com/content.aspx?aid=1198803598} }