[1]
O. P. Kharbanda, N. Wadhawan, K. Dhingra, N. Tewari, and A. Grover, “Oral health in India: Researchers’ Perspective Part 2- Periodontal Diseases, Geriatric Dentistry and Special Health Care Needs”, JPFA, vol. 32, no. 3-4, pp. 48–56, Dec. 2018.