Patrizia Frei, Aslak H Poulsen, Christoffer Johansen, Jørgen H Olsen, Marianne Steding-Jessen, Joachim Schüz et al
Frei P, Poulsen A H, Johansen C, Olsen J H, Steding-Jessen M, Schüz J et al.
Use of mobile phones and risk of brain tumours: update of Danish cohort study
BMJ 2011; 343 :d6387
doi:10.1136/bmj.d6387