@inbook{1150216556, author={Joshua M. Galanter and Homer A. Boushey}, editor={Katzung, Bertram G.}, title={Drugs Used in Asthma}, booktitle={Basic & Clinical Pharmacology, 14e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={accesspharmacy.mhmedical.com/content.aspx?aid=1150216556} }