- Letters to the editor Hemato-oncology Metastatic sarcomatoid carcinoma presenting as a pedunculated mass on the floor of the mouth
- Ki-Bum Won, Jun-Hwa Song, Jeung-Woo Lee, Won-Chul Ha, Keon-Uk Park
- Korean J Intern Med. 2015;30(4):547-549.
- Images of interest Dual ectopic thyroid presenting with an anterior neck mass
- Hannah Seok, Su-Jin Oh, Won-Chul Ha, Hyun Shik Son, Tae-Seo Sohn
- Korean J Intern Med. 2015;30(1):129-130.