Jnaid, Hussam, 		Butt, Sonia, 		Asaad, Mona, 		Aljumaa, Nour, 		Sadkh, Rghd, AND 		Abdulrahman, Walaa.
" The Effect of Hormonal Contraceptive Use on Vitamin B12 Levels among Adult Females in Saudi Arabia" <em>Medical Research Archives</em> [Online], Volume 13 Number 10 (5 November 2025)