The homozygous pathogenic variant of the POMGNT1 gene identified using whole-exome sequencing in Iranian family with congenital hydrocephalus oleh Masoud Sabzeghabaiean, Mohsen Maleknia, Javad Mohammadi-Asl, Hashem Kazemi, Fereshteh Golab, Zohreh Zargar, Maryam Naseroleslami