Bairwa, Bijender Kumar, Mamta Sagar, R. C. Gupta, and Madhuri Gupta. “A Comparative Study of Salivary and Serum Calcium and Alkaline Phosphatase in Patients With Osteoporosis”. International Journal of Research in Medical Sciences 7, no. 6 (May 29, 2019): 2412–2416. Accessed April 28, 2024. https://www.msjonline.org/index.php/ijrms/article/view/6575.