A comparison of the risk of bovine spongiform encephalopathy infectivity in beef from cattle Youger than 21 months in Japan with that in beef from the United States as assessed by the carcass maturity score
A comparison of the risk of bovine spongiform encephalopathy infectivity in beef from cattle Youger than 21 months in Japan with that in beef from the United States as assessed by the carcass maturity score
