]> 2026-04-19T06:45:35+02:00 Lancet (2004) Koopmans 0 en Transmission of H7N7 avian influenza A virus to human beings during a large outbreak in commercial poultry farms in the Netherlands. 2004 2453005.5 Lancet (2004) Koopmans 2020-08-10T08:48:35Z 2459071.8670718 Lancet (2004) Koopmans