IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-9-27430 Original Research Paper SIGNIFICANCE OF OBLIGATE ANAEROBIC GRAM NEGATIVE BACTERIA IN ORAL ABSCESS: A STUDY OF WESTERN UTTAR PRADESH Sonal Jindal Dr. Dr. Anita Pandey Dr. September 2020 9 9 01 02