An investigation of risk factors for cases of bovine spongiform encephalopathy born after the introduction of the 'feed ban'
2003 ◽
Vol 22
(1)
◽
pp. 271-281
◽
2003 ◽
Vol 22
(1)
◽
pp. 157-178
◽
2006 ◽
Vol 53
(7)
◽
pp. 306-311
◽
1997 ◽
Vol 56
(1-3)
◽
pp. 312-313
◽