Fetal Phenotyping and Whole Exome Sequencing for 12 Egyptian Families With Serine Biosynthesis Defect: Novel Clinical and Allelic Findings With a Founder Effect. - El-Dessouky SH; Sharaf-Eldin WE; Aboulghar MM; Ebrashy A; Senousy SM; Elarab AE; Gaafar HM; Ateya MI; Abdelfattah AN; Saad AK; Zolfokar DS; Fouad MM; et al. (Prenatal diagnosis, 2025)