- Endoscopic Extraction of a Perforating Wire from the Stomach
- Yong Koo Lee, Soon In Chae, Won Sup Cho
- Korean J Intern Med. 1987;2(2):285-288.
- Percutaneous Endoscopic Gastrostomy for Enteral Nutrition
- Yong Ho Nah, Soo In Chae, Ju Hung Song, In Tae Choi, Hyuk Je Kim, Suk Park, Won Sup Cho
- Korean J Intern Med. 1987;2(1):66-74.
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