Tying clinical research to patient care by use of an observational database
Authors:
- Mark A. HlatkyMHMark A. Hlatky
- Frank E. HarrellFHFrank E. Harrell
- Daniel B. MarkDMDaniel B. Mark
- 12 October 1984
- journal article
- clinical trial
- Published by Wiley in Statistics in Medicine
- Vol. 3 (4) , 375-384
Abstract
The proposition that some inherent logical incompetence attaches to an inference based on observational, as distinguished from experimental, evidence seems to have little to commend it beyond the great positiveness with which it is sometimes asserted.Keywords
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