作者: Sarah J Hepworth , Richard G Feltbower , Roger C Parslow , Patricia A McKinney
DOI: 10.1136/BMJ.331.7517.634-A
关键词:
摘要: Editor—Draper et al present findings on the relation between childhood cancer and distance of birth residence to high voltage power lines.1 The study's strengths include large number case children unbiased control selection. However, are inconsistent with another UK study, in which neither proximity nor estimates dose extremely low frequency magnetic …