- Case Reports Extraskeletal Ewing's Sarcoma of the Head and Neck Presenting as Blindness
- Sung In Cho, Yeon Hee Park, Jang Hyun Cho, Baek-Yeol Ryoo, Sung Hyun Yang, Sang Min Youn, Jae Soo Ko
- Korean J Intern Med. 2007;22(2):133-137.
- Peripheral T-cell Lymphoma-Unspecified (PTCL-U) Presenting with Hypereosinophilic Syndrome and Pleural Effusions
- Won Choi, Yeon Hee Park, Kwang Hyun Paik, Yoon Hwan Chang, Seung-Sook Lee, Baek-Yeol Ryoo, Sung Hyun Yang
- Korean J Intern Med. 2006;21(1):57-61.
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