NBC Evening News for Friday, Jun 03, 1977
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(Studio) Representative Paul Rogers says there should be 18 month delay in saccharin ban, for further tests. Meantime, there's controversy with regard to tests.
REPORTER: David Brinkley
(Bethesda, Maryland) Method of testing, using rats, followed by Canadians in 1st tests noted. Report with regard to procedure in animal testing, reasons for methods and accuracy. National Cancer Institute tests supervisor, Dr. William Lijinsky, says method valid. [LIJINSKY - says any substance causing cancer in animals in proper tests is risk.] Dr. Frederick Coulston of Albany Med. College in New York is critic of high dosage tests. [COULSTON - cites reasons for criticism.] Because of costs, high dose testing with small number of animals will serve as main indicator of cancer risks.
REPORTER: Robert Bazell
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