IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-4-34533 Original Research Paper Study to determine epidemiological factors influencing vaccination coverage of children of age group 12 - 23 month residing in the field practice area of tertiary hospital. Gosavi Dr. Sumedha Joshi Dr. Sudarshan Ramaswamy Dr. April 2021 10 4 01 02