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Effectiveness of presence of physician and midwife in quant..:

Hossein Jabbari ; Fariba Bakhshian ; Atefeh Velayati...
http://www.jfcmonline.com/article.asp?issn=2230-8229;year=2014;volume=21;issue=1;spage=1;epage=5;aulast=Jabbari.  , 2014