Disease surveillance strategies in swine.
Rautiainen
E
E
National Veterinary and Food Research Institute, Regional Laboratory in Seinäjoki, P.O. Box 198, FIN-60101 Seinäjoki, Finland.
Konradsson
K
K
Lium
B
B
Mortensen
S
S
Wallgren
P
P
D000818:Animals; D004812:Epidemiologic Methods / Q000662:veterinary; D012537:Scandinavian and Nordic Countries / Q000453:epidemiology; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*