Serum CYFRA 21.1 Level Predicts Disease Course in Thyroid Cancer with Distant Metastasis - Chaiho Jeong; Jeongmin Lee; Hyukjin Yoon; Jeonghoon Ha; Min-Hee Kim; Ja-Seong Bae; Chan-Kwon Jung; Jeong-Soo Kim; Moo-Il Kang; Dong-Jun Lim (Cancers, 2021)