Urinary follicle-stimulating hormone (FSH) is more effective than recombinant FSH in older women in a controlled randomized study
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The work was performed at: Department of Obstetrics, Gynecology and Perinatology, Policlinico Umberto I Hospital, “La Sapienza” University, Rome, Italy.
PII: S0015-0282(06)00093-8
doi:10.1016/j.fertnstert.2005.10.049
© 2006 American Society for Reproductive Medicine. Published by Elsevier Inc. All rights reserved.

