Afaf A. Saleman, Sana I. Souliman, abeer I. Suliman. The relationship of maternal age and some other associated factor to down syndrome . BSJ [انترنت]. 5 نوفمبر، 2023 [وثق 22 ديسمبر، 2024];(14):193-87. موجود في: https://journal.su.edu.ly/index.php/bayan/article/view/1833