SmallridgeRC, AinKB, AsaSL, BibleKC, BrierleyJD, BurmanKD, KebebewE, LeeNY, NikiforovYE, RosenthalMS, ShahMH, ShahaAR, TuttleRM. American Thyroid Association Anaplastic Thyroid Cancer Guidelines Taskforce. 2012. American Thyroid Association guidelines for management of patients with anaplastic thyroid cancer. Thyroid, 22:1104–1139.