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• Ciftci E, Tuygun N, Özdemir H, Tezer H, Şensoy G, Devrim İ, et al. Clinical and epidemiologic features of Turkish children with pandemic influenza A (H1N1) infection: Experience from multiple tertiary paedi- atric centers in Turkey. Scand J Infect Dis 2011;43:923-9. [CrossRef]
• Kumar S, Havens PL, Chusid MJ, Willoughby RE Jr, Simpson P, Hen- rickson KJ. Clinical and epidemiologic characteristics of children hospi- talized with 2009 pandemic H1N1 influenza A infection. Pediatr Infect Dis J 2010;29:591-4. [CrossRef]
• Ong MP, Sam IC, Azwa H, Mohd Zakaria IE, Kamarulzaman A, Wong MH, et al. High direct healthcare costs of patients hospitalized with pandemic (H1N1) 2009 influenza in Malaysia. J Infect 2010;61:440-2. [CrossRef]
• Zarogoulidis P, Glaros D, Kontakiotis T, Froudarakis M, Kiomis I, Kouroumichakis I, et al. Health costs from hospitalization with H1N1 infection during the 2009-2010 influenza pandemic compared with non- H1N1 respiratory infections. Int J Gen Med 2012;5:175-82. [CrossRef]
• Özlü T, Bülbül Y, Taşbakan S, Kılıç H, Kuyucu T, Yıldız T, et al. Gen- eral characteristics and prognostic factors of pneumonia cases developed during pandemic (H1N1) influenza-A virus infection in Turkey. Balkan Med J 2013;30:68-73. [CrossRef]