AUTHOR=Sadow Peter M., Faquin William C. TITLE=Poorly Differentiated Thyroid Carcinoma: An Incubating Entity JOURNAL=Frontiers in Endocrinology VOLUME=3 YEAR=2012 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2012.00077 DOI=10.3389/fendo.2012.00077 ISSN=1664-2392