1. Reports of headaches emerge among cellular phone
2. Information Ventures Web page, users;Link;U. S. Microwave News,1996
3. Auditory system response to radio frequency energy;Frey AH;Aerosp Med,1961
4. . lated electromagnetic energy. J AppI Physiol Frey AH. Human auditory system response to modu-17:689-692 (1962).
5. Frey AH. Effects of microwaves and radio frequency energy on the central nervous system. In: Biological Effects and Health Implications of Microwave Radiation (Cleary S ed). PB193898. Washington DC:Food and Drug Administration 1969;134-539.