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Authors
El-Damen, Ahmed
Elkhatib, Ibrahim
Bayram, Asina
Arnanz, Ana
Abdala, Andrea
Samir, Suzan
Lawrenz, Barbara
De Munck, Neelke
Fatemi, Human M.
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Article History
Received: 16 September 2020
Accepted: 10 December 2020
First Online: 4 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This is a retrospective observational study. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Bioethics Committee of ART Fertility Clinics (No. REFA021)
