OBJECTIVES
To study the use of cellular and cordless telephones and the risk for malignant brain tumours.
METHODS
Two case-control studies on malignant brain tumours diagnosed during 1997-2003 included answers from 905 (90%) cases and 2,162 (89%) controls aged 20-80 years. We present pooled analysis of the results in the two studies.
RESULTS
Cumulative lifetime use for >2,000 h yielded for ...
