Conde, PatríciaArraiolos, AnaPechirra, PedroGonçalves, PauloGuiomar, Raquel2012-02-132012-02-132011-09http://hdl.handle.net/10400.18/550engInfecções RespiratóriasGripeImmune ResponseSerologyImmune response after vaccination or natural infection with pandemic influenza A (H1N1) in a Portuguese cohortconference object