@inbook{1128357872, author={Gauri R. Varadhachary and James L. Abbruzzese}, editor={Longo, Dan L.}, title={CARCINOMA OF UNKNOWN PRIMARY}, booktitle={Harrison's Hematology and Oncology, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2013}, url={hemonc.mhmedical.com/content.aspx?aid=1128357872} }