[Steps in low pathogenic bird flu in swans].
Christianne
C
Bruschke
Arco
A
Van der Spek
Huibert
H
Maurice
Guus
G
Koch
D000818:Animals; D046090:Anseriformes; D003132:Commerce / Q000331:legislation & jurisprudence*; D004196:Disease Outbreaks / Q000662:veterinary*; D009980:Influenza A virus / Q000302:isolation & purification; D005585:Influenza in Birds / Q000175:diagnosis* / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D009426:Netherlands / Q000453:epidemiology