@inbook{1213936793, author={Dan L. Longo}, editor={Kasper, Dennis}, title={SERDs in Estrogen Receptor–Positive Breast Cancer}, booktitle={Harrison's Online Updates}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2016}, url={accesspharmacy.mhmedical.com/updatesContent.aspx?gbosid=654162} }