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Impact of chronic obstructive pulmonary disease on the outc..:

Magdy M Khalil ; Ibrahim A Dwedar ; Mai M Abdelazeem
http://www.ejcdt.eg.net/article.asp?issn=0422-7638;year=2019;volume=68;issue=2;spage=123;epage=128;aulast=Khalil.  , 2019