Medicine: Liver & Cancer

Doctors do not know the cause of cancer, but scientists have produced tumors by rubbing mice with certain coal-tar substances and synthetic chemicals. The great research problem now is to grow tumors in mice with extracts from human cancer victims. Six weeks ago Dr. John Frederick Menke of Stanford University Hospital announced that he had injected mice with fat-soluble essences from human breast cancers. For the first time in cancer history, he claimed, two of the mice had grown tumors. But his experiments have not yet been confirmed.

Meantime, Dr. Paul Eby Steiner of the University of Chicago was working on a...

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