Medicine: Again, Krebiozen

University of Illinois Physiologist Andrew Conway Ivy has been at the center of a medical storm ever since he an nounced, five years ago, that he was experimenting with a secret cancer drug named Krebiozen. After studying several independent, critical assays, the A.M.A. flatly rejected Krebiozen as a treatment. Undismayed, Ivy and two colleagues stuck to their work, have now summarized it in their first public report.*

Krebiozen is a whitish powder prepared from the serum of horses that have been injected with material from an abscess (known as "lumpy jaw") occurring in...

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