- Correspondence to Dr Robert N Proctor, History Department, Stanford University, Stanford, California 94305, USA;
- Received July 5, 2011
- Accepted November 22, 2011
- First published February 16, 2012.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.