IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-3-34148 Original Research Paper Comparative Study between Mass Closure and Layered closure of Midline Abdominal Incisions at DMCH, Laheriasarai, Bihar Ravindra Kumar Ravi Dr. Dr. Debarshi Jana Dr. March 2021 10 3 01 02