[Sicilian swans and the black continent].
Jean-Yves
JY
Nau
D000818:Animals; D046090:Anseriformes; D005060:Europe / Q000453:epidemiology; D005585:Influenza in Birds / Q000453:epidemiology* / Q000517:prevention & control; D009549:Nigeria / Q000453:epidemiology; D012802:Sicily / Q000453:epidemiology