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Pattern of colorectal cancer at two hospitals in the wester..:

Al-Ahwal Mahmoud ; Al-Ghamdi Aisha
http://www.saudijgastro.com/article.asp?issn=1319-3767;year=2005;volume=11;issue=3;spage=164;epage=169;aulast=Al-Ahwal.  , 2005