Bovine spongiform encephalopathy in Poland.
Polak
M P
MP
Department of Virology, National Veterinary Research Institute, al Partyzantow 57, 24-100 Pulawy, Poland.
Zmudzinski
J F
JF
D000818:Animals; D002417:Cattle; D016643:Encephalopathy, Bovine Spongiform / Q000453:epidemiology*; D011044:Poland / Q000453:epidemiology; D011159:Population Surveillance