Sengupta, S., B. Pal, and T. Bala. “Rational Use of Antibiotics and Its Guidelines in Surgical Patients-a Retropspective Study”. Surgical Review: International Journal of Surgery, Trauma and Orthopedics, Vol. 3, no. 2, June 2017, pp. 33-37, doi:10.17511/ijoso.2017.i02.02.