Relationship of Vitamin D Levels with Simultaneous Occurrence of Periodontal and Cardiac Diseases. Medical Journal of South Punjab, [S. l.], v. 1, n. 1, p. 3–8, 2020. DOI: 10.61581/MJSP.VOL01/01/01. Disponível em: https://www.medteach.org/index.php/mjsp/article/view/14. Acesso em: 26 apr. 2025.