The men who wage war against cancer know that an individual battle won is but a short step in a long, hard fight, and that every seeming victory may prove a wasted effort. Nevertheless, research scientists at Manhattan's Sloan-Kettering Institute last week proudly announced a victory that may mean great gains in a major sector: the search for a chemical cure for cancer.
Experimenting with animals, Sloan-Kettering researchers set out five years ago to find a chemical compound that would selectively attack types of cancer in the way that sulfa drugs attack streptococci or penicillin controls staphylococci.
The results: Without injury to healthy...
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