Ahn, Hyeong Sik; Kim, Hyun Jung; Welch, H. Gilbert (6 November 2014). "Korea's Thyroid-Cancer "Epidemic" — Screening and Overdiagnosis". New England Journal of Medicine. 371 (19): 1765–1767. doi:10.1056/NEJMp1409841. PMID25372084. S2CID205110815.
Ahn, Hyeong Sik; Kim, Hyun Jung; Welch, H. Gilbert (6 November 2014). "Korea's Thyroid-Cancer "Epidemic" — Screening and Overdiagnosis". New England Journal of Medicine. 371 (19): 1765–1767. doi:10.1056/NEJMp1409841. PMID25372084. S2CID205110815.
Ahn, Hyeong Sik; Kim, Hyun Jung; Welch, H. Gilbert (6 November 2014). "Korea's Thyroid-Cancer "Epidemic" — Screening and Overdiagnosis". New England Journal of Medicine. 371 (19): 1765–1767. doi:10.1056/NEJMp1409841. PMID25372084. S2CID205110815.