Retraction notice to "Peak systolic velocity of fetal middle cerebral artery to predict anemia in Red Cell Alloimmunization in un-transfused and transfused fetuses" [Eur. J. Obstet. Gynecol. Reprod. Biol. 258 (2021) 437-442]
1 Fetal Medicine Unit, Faculty of Medicine, Cairo University, Cairo, Egypt.
2 Reproductive Health Research Department, National Research Centre, Cairo, Egypt.
3 Department of Obstetrics & Gynecology, Faculty of Medicine, Benha University, Egypt; Department of Obstetrics & Gynecology, Darrent Valley Hospital, UK.
4 Prenatal Diagnosis & Fetal Medicine Department, Human Genetics and Genome Research Division, National Research Centre, Cairo, Egypt.
5 Department of Pediatrics, Faculty of Medicine, Cairo University, Cairo, Egypt.
6 Fetal Medicine Unit, Department of Obstetrics and Gynecology, Faculty of Medicine, Cairo University, Cairo, Egypt; Department of Obstetrics & Gynecology, Faculty of Medicine, Cairo University, Cairo, Egypt.