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Mad Cow Disease In Humans: Cause, Symptoms, and More
Bovine spongiform encephalopathy - Wikipedia
All About BSE (Mad Cow Disease) - FDA
Mad Cow Disease: Symptoms, Causes and Treatments for vCJD - WebMD
Disease Alert: Bovine Spongiform Encephalopathy - Animal and …
Mad Cow Disease (Bovine Spongiform Encephalopathy)
Bovine Spongiform Encephalopathy (BSE) | Mad cow disease | CDC
牛腦海綿狀病變 - 维基百科,自由的百科全书
疯牛病 - 百度百科
Can humans get mad cow disease? - Medical News Today