Islam, Quazi Tarikul. “Experience of Pandemic Influenza A (H1N1) 2009 at Dhaka Medical College Hospital”. Journal of Bangladesh College of Physicians and Surgeons 28, no. 1 (March 17, 2010): 63. Accessed May 14, 2024. https://www.banglajol.info/index.php/JBCPS/article/view/4648.