Randomised controlled trials and population-based observational research: partners in the evolution of medical evidence.
Autor: | Booth, C M1, Tannock, I F2 |
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Zdroj: | British Journal of Cancer. 2/4/2014, Vol. 110 Issue 3, p551-555. 5p. 1 Chart. |
Databáze: | Academic Search Ultimate |
Externí odkaz: |