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Letter: First class post

Published 14 September 2016

Are there concentrations of Alzheimer's disease with hotspots along major routes?
Sarah Hawkes a follow-up to reports of air pollution sending tiny magnetic particles into our brains (10 September, p 10).

Issue no. 3091 published 17 September 2016

Â鶹´«Ã½ issue 3091 cover

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