Ali, M., S. Rokonuzzaman, M. Ahmed, M. Uddin, M. Haque, and M. Islam. “Effectiveness of Levofloxacin in Enteric Fever”. Mymensingh Medical Journal, vol. 20, no. 3, Aug. 2011, pp. 441-5, https://banglajol.info/index.php/MMJ/article/view/8327.