Bovine spongiform encephalopathy: observations on the incidence during 1992.
Wilesmith
J W
JW
Epidemiology Department, Central Veterinary Laboratory, Addlestone, Surrey.
Ryan
J B
JB
D000367:Age Factors; D000818:Animals; D002417:Cattle; D016643:Encephalopathy, Bovine Spongiform / Q000453:epidemiology*; D004739:England / Q000453:epidemiology; D015994:Incidence