
156 Epidemiology of Electromagnetic Fields
the issue, as well as both public pressure and scientic rigor, mandate continuing research.
However, any investigations need to be of high methodologic quality; of sufcient size and
with sufcient numbers of highly exposed subjects; have sophisticated exposure assess-
ment; and most importantly, be designed to test specic hypotheses, such as examina-
tion of a susceptible subpopulation, selection bias, or aspects of exposure not previously
captured.
Acknowledgment
We thank Dr. Madhuri Sudan for contributions to the development of this chapter. J.S.
worked on this chapter with the permission of National ...