Downloaded from jech.bmj.com on 21 NovemberCausation in epidemiology M Parascandola and D L Weed J Epidemiol Community Health 2001;55;doi:jech

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Date: 2015-03-18 11:14:22		Downloaded from jech.bmj.com on 21 NovemberCausation in epidemiology M Parascandola and D L Weed J Epidemiol Community Health 2001;55;doi:jech Add to Reading List Source URL: blogs.kent.ac.uk Download Document from Source Website File Size: 213,58 KB Share Document on Facebook