Published by Oxford University Press on behalf of the International Epidemiological Association ß The Author 2009; all rights reserved. Advance Access publication 22 September 2009 International Journal of Epidemiology

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Date: 2010-01-08 11:44:13		Published by Oxford University Press on behalf of the International Epidemiological Association ß The Author 2009; all rights reserved. Advance Access publication 22 September 2009 International Journal of Epidemiology Add to Reading List Source URL: www.epidemiology.ch Download Document from Source Website File Size: 51,22 KB Share Document on Facebook