Article Citation
Youn YH, Park YJ, Kim JH, Jeon TJ, Cho JH, Park H. Weekend and nighttime effect on the prognosis of peptic ulcer bleeding. World J Gastroenterol 2012; 18(27): 3578-3584 [PMID: 22826623 DOI: 10.3748/wjg.v18.i27.3578]
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