Clearing The Smoke Over Some Cancers

Some points need clarification in "The number crunchers drug makers fear and love" (Science & Technology, Aug. 22). We have never attributed to smoking any rises in U.S. cancers of the brain, breast, or testicles; our meta-analysis of drugs are not sponsored by either the Wellcome Foundation or drug makers; and quotations from us, such as "We must be saving a few tens of thousands of lives a year in breast cancer" (or, elsewhere, "millions from death") actually referred to the achievements of the medical profession in general, not just two individuals.

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