Article Citation
Lee NM, Yun SW, Chae SA, Yoo BH, Cha SJ, Kwak BK. Perforated duodenal ulcer presenting with massive hematochezia in a 30-month-old child. World J Gastroenterol 2009; 15(38): 4853-4855 [PMID: 19824124 DOI: 10.3748/wjg.15.4853]
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