A. Al Mamun, A. Mustafa, M. Hasan, M. Alauddin, A. Rahman, and A. Haque, “A comparative study on prophylactic antibiotic between its short term use and traditional long term use in elective surgery - study of 100 cases”, J Dhaka Med Coll, vol. 21, no. 1, pp. 60–65, Jan. 2013.