GnRH-antagonists vs long agonist protocol for ovarian stimulation in IVF patients with polycystic ovary syndrome: a meta-analysis
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PII: S0015-0282(09)01450-2
doi:10.1016/j.fertnstert.2009.07.014
© 2009 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.

