28 captures
07 Aug 2010 - 10 Mar 2024
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About this capture
COLLECTED BY
Collection:
Semantic Scholar PDF Seedlist Crawl (Summer 2017)
IA crawl of PDF urls provided by Semantic Scholar.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20170829193522/http://epidemiology.ch/history/PDF%20bg/Sackett%20DL%201979%20bias%20in%20analytic%20research.pdf