N. Sayeeganesh, P. K. Baskar, B. Manovijay, R. Saranyan, N. Shanmugasundaram, and N. Vijayakumar, “Relationship between gingival bleeding and blood glucose level: a case-control study”, Int J Med Res Rev, vol. 3, no. 6, pp. 588-592, Jul. 2015.