Song, K. H., & Lee, B. J. (2018). Balloon-Assisted Endoscopy: A Powerful Tool for Complete Colonoscopy. Korean Society of Gastrointestinal Endoscopy.
Čikaški stil citiranja (17. izdanje)Song, Kyung Hwan, i Beom Jae Lee. Balloon-Assisted Endoscopy: A Powerful Tool for Complete Colonoscopy. Korean Society of Gastrointestinal Endoscopy, 2018.
MLA način citiranja (9. izdanje)Song, Kyung Hwan, i Beom Jae Lee. Balloon-Assisted Endoscopy: A Powerful Tool for Complete Colonoscopy. Korean Society of Gastrointestinal Endoscopy, 2018.
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