IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-3-34015 Original Research Paper Prevalence of self-medication among residents of urban slum of Kolkata : A community-based, cross-sectional study Amal Kumar Sinha Roy Dr. Dr. Debdutta Banerjee Dr. Dr Kishore P Madhwani Dr. March 2021 10 3 01 02