Значения для термина "know carcinogens" отсутствуют.
1 PFCs accumulate in soil and water, and are known carcinogens .
2 Known carcinogens such as tobacco are legal.
3 The WHO said both substances are known carcinogens and using them together worsens their impact and heightens addictiveness.
4 As a possible explanation of these findings a reduced exposure to well known carcinogens such as cigarette smoke may be relevant.
5 Caution should be used in situations where exposure to known carcinogens is combined with thermal exposures high enough to cause tissue damage.
6 Since more than half of all known carcinogens are hepatocarcinogens in rodents, the initial 8-week bioassay is able to detect most carcinogens.
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