| United States. Congress. Senate. Committee on Governmental Affairs - 1992 - 180 pages
...produce substantial changes at the cellular level, and, in a few experimental settings, effects have been demonstrated at the level of the whole animal....basis for concern about risks from chronic exposure. In light of the clear evidence for effects at the cellular level, the epidemiologic evidence is indeed... | |
| United States. Congress. Senate. Committee on Governmental Affairs - 1992 - 188 pages
...experimental settings, effects have been demonstrated at the level of the whole animal. Epidemlological evidence, while controversial' and subject to a variety...basis for concern about risks from chronic exposure. In light of the clear evidence for effects at the cellular level, the epidemiologic evidence is indeed... | |
| Roger L. Brauer - 2006 - 767 pages
...inconclusive. However, effects are clearly demonstrated at the cellular level, and epidemiological evidence is beginning to provide a basis for concern about risks from chronic exposure. Some states have established limits on field strength in right of ways.5 EXERCISES 1. A worker is exposed... | |
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