5d80d7912b 15 April 2015. Your browser doesn't accept cookies. American Journal of Epidemiology. PMID9140195. "CDC Health Update: Swine Influenza A (H1N1) Update: New Interim Recommendations and Guidance for Health Directors about Strategic National Stockpile Materiel".
Van Reeth K (2007). FoxNews.com. 56 (1): 15279. 24 April 2009. ^ a b Matsuzaki Y, Sugawara K, Mizuta K, et al. PMC1973337. 26 April 2009.