Letter

Childhood cancer and power lines: Study had important omissions

BMJ 2005; 331 doi: 10.1136/bmj.331.7517.635-a (Published 15 September 2005)
Cite this as: BMJ 2005;331:635.2

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  1. Roger W Coghill, research director (roger@cogreslab.co.uk)
  1. Coghill Research Laboratories, Lower Race, Pontypool NP4 5UH

    Editor—The study by Draper et al omitted most cases near power lines of 132 kV.1 The United Kingdom has 10 000 circuit km of 400 kV lines and 4000 circuit km of 275 kV lines, but 20 000 circuit km of 132 kV lines and more than 260 000 pole mounted transformers.2 Should the effect be found near these lower voltage sources, then saying that only five cases per year would result becomes a …

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