Question
How many cases of bovine spongiform encephalopathy have occurred in cows born in (a) 1989, (b) 1990, (c) 1991, (d) 1992 and (e) 1993. - Inc figs. (Holding answer 2 April 1996).
How many cases of bovine spongiform encephalopathy have occurred in cows born in (a) 1989, (b) 1990, (c) 1991, (d) 1992 and (e) 1993. - Inc figs. (Holding answer 2 April 1996).