Letrozole induction of ovulation in women with clomiphene citrate–resistant polycystic ovary syndrome may not depend on the period of infertility, the body mass index, or the luteinizing hormone/follicle-stimulating hormone ratio
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PII: S0015-0282(05)03852-5
doi:10.1016/j.fertnstert.2005.08.016
© 2006 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.

