@inbook{1117896459, author={Charles Herring}, editor={Shargel, Leon and Yu, Andrew B.C.}, title={Biostatistics}, booktitle={Applied Biopharmaceutics & Pharmacokinetics, 7e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2016}, url={accesspharmacy.mhmedical.com/content.aspx?aid=1117896459} }