Mad cow disease and food poison are completely different issues.

来源: Pathologist 于 2008-09-13 18:32:43 [] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: gzlady, please help me understand .... 由 ...Thanks 于 2008-09-13 17:47:55

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• 没错。疯牛病虽然也是人为因素造成，但 -jas07- ♀ 给 jas07 发送悄悄话 (72 bytes) () 09/13/2008 postreply 18:51:07

• Mad cow disease is infectious disease. -Pathologist- ♀ 给 Pathologist 发送悄悄话 (10662 bytes) () 09/13/2008 postreply 19:12:09

• 嗯又长了知识:-) -jas07- ♀ 给 jas07 发送悄悄话 (0 bytes) () 09/13/2008 postreply 19:17:40

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