Questions about selection, exposure, and tumour incidence comment

Exposure

• • mobile communications
  • mobile phone

Commented articles

• Frei P et al. (2011): Use of mobile phones and risk of brain tumours: update of Danish cohort study

Comments on this article

• Frei P et al. (2011): Mobile phones and brain tumours: Authors' reply to Khurana and to Philips and Lamburn