Influenza vaccination in 22 developed countries: an update to 1995.
Fedson DS, Hirota Y, Shin HK, Cambillard PE, Kiely J, Ambrosch F, Hannoun C, Leese J, Sprenger MJ, Hampson AW, Bro-Jørgensen K, Ahlbom AM, Nøkleby H, Valle M, Olafsson O, Salmerón F, Cloetta J, Rebelo de Andrade H, Snacken R, Donatelli I, Jennings LC, Strikas RA.
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