Fertility and Sterility
Volume 89, Issue 3 , Pages 573-577 , March 2008

Day 4 versus day 3 embryo transfer: a prospective study of clinical outcomes

Received 2 February 2007 ,Revised 19 March 2007 ,Accepted 19 March 2007.

References 

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PII: S0015-0282(07)00746-7

doi: 10.1016/j.fertnstert.2007.03.056

Fertility and Sterility
Volume 89, Issue 3 , Pages 573-577 , March 2008

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