Retraction notices

Letrozole versus combined metformin and clomiphene citrate for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a randomized controlled trial

Type

Retraction

Notice date

9/8/2020 0:00

Journal

Fertility and Sterility

Publisher

Elsevier

Notice DOI

10.1016/j.fertnstert.2020.08.1406

Original paper DOI

10.1016/j.fertnstert.2009.07.985

Reasons

• Concerns/Issues about Data
• Duplication of Data
• Investigation by Third Party

Matching venue names

Name match only, not an authoritative journal identifier.

• Fertility and Sterility