Cancer Weekly
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Carcinogens
NTP Proposes 15 Drugs, Dyes, and Other Chemicals for Carcinogen Listing
May 26th, 1997
The National Toxicology Program (NTP) has announced its intent to list 15 substances -- including drugs, diesel combustion products, a solvent, and a dye -- as known or likely human carcinogens in the Eighth Biennial Report on Carcinogens. Large numbers of Americans have been exposed to the substances -- one of the criteria for their listing. But some, such as the laxative ingredient Danthron, were removed from the market as early as the 1980s when initial tests leading up to this report were completed. Others, including several cancer drugs and the organ transplant drug Cyclosporin, have remained on the market because their potential benefits outweigh their risk. ...
Source: Cancer Weekly (1997-05-26)
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