Detailed text transcripts for TV channel - CNN - 20100311:01:35:00
Bookvar, a neurosurgeon and new york presbyterian. brian, you looked into this issue and the safety concerns. what did you find? >> while the majority of studies seem to indicate there isn't a link, there are a growing number of studies that have shown that. especially studies from outside the u.s., from europe, there may be a biological effect affecting tissue and epidemiological link. we haven't been using cell phones for very long. it is enough that the people who are behind this legislation and there is similar legislation in san francisco in california say let's adopt a precautionary prin...
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