ZAHID, Asma; REHMAN, Khunsa. Impact of Vitamin D Deficiency on Menstrual Irregularities and Fertility Outcomes in Women of Childbearing Age. Biological and Clinical Sciences Research Journal, Lahore, PK, v. 6, n. 5, p. 312–315, 2025. DOI: 10.54112/bcsrj.v6i5.2000. Disponível em: https://bcsrj.com/ojs/index.php/bcsrj/article/view/2000. Acesso em: 21 apr. 2026.