Affiliation: | 1. Department of Oral Medicine and Radiology, Sri Ramaswamy Memorial Dental College, Chennai, India;2. Department of Oral Medicine and Radiology, Faculty of Dental Sciences, Sri Ramachandra University, Chennai, India;3. Y.R. Gaitonde Centre for AIDS Research and Education, Voluntary Health Services Clinical Research Site/National Institutes of Health, Chennai, India;4. Department of Microbiology, Sri Ramachandra Medical College and Research Institute, Sri Ramachandra University, Chennai, India;5. Department of Biochemistry, Sri Ramachandra Medical College and Research Institute, Sri Ramachandra University, Chennai, India |