Flora, Meerjady Sabrina, Monira Akhter, and Shaila Hossain. “The H1N1 Influenza Pandemic: A Review of Recent Experience”. Bangladesh Medical Journal 39, no. 1 (October 8, 2010): 31–39. Accessed May 20, 2024. https://www.banglajol.info/index.php/BMJ/article/view/6231.