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Effect of delaying endoscopy on the outcome of bleeding pep..:

Khaled Muhammad Cheha ; Marouf Muhammad Alhalabi ; Sawsan Omar Ali Dib.
http://www.hamdanjournal.org/article.asp?issn=2227-2437;year=2020;volume=13;issue=2;spage=105;epage=109;aulast=Cheha.  , 2020