Letter from Europe.
Koppinen
Jouko
J
D000818:Animals; D002417:Cattle; D006691:Classical Swine Fever / Q000453:epidemiology / Q000517:prevention & control*; D016643:Encephalopathy, Bovine Spongiform / Q000453:epidemiology / Q000517:prevention & control*; D005060:Europe / Q000453:epidemiology; D013552:Swine