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Retraction Note: Letrozole versus clomiphene citrate for superovulation in Egyptian women with unexplained infertility: a randomized controlled trial

Crossref DOI link: https://doi.org/10.1007/s00404-026-08400-8

Published Online: 2026-03-19

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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