The relationship of maternal age and some other associated factor to down syndrome . Albayan Scientific Journal , [S. l.], n. 14, p. 193–187, 2023. DOI: 10.37375/bsj.vi14.1833. Disponível em: https://elc2.su.edu.ly/index.php/bayan/article/view/1833. Acesso em: 8 dec. 2025.