Need for categorization of exposure in studies of cellular telephone users comment

Exposure

• • RF
  • microwaves
• • CW continuous wave
  • PW pulsed wave
  • radar
  • Radio/TV transmitter
  • TV broadcast (VHF/UHF)
  • FM broadcast (UKW)
  • mobile communications
  • analog mobile phone
  • mobile phone base station

Commented articles

• Funch DP et al. (1996): Utility of telephone company records for epidemiologic studies of cellular telephones
• Rothman KJ et al. (1996): Overall mortality of cellular telephone customers
• Rothman KJ et al. (1996): Assessment of cellular telephone and other radio frequency exposure for epidemiologic research