Improvements achieved in an oocyte donation program over a 10-year period: sequential increase in implantation and pregnancy rates and decrease in high-order multiple pregnancies
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PII: S0015-0282(06)04665-6
doi:10.1016/j.fertnstert.2006.11.118
© 2007 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.

