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Editorial
. 2000 Jul 29;321(7256):255-6.
doi: 10.1136/bmj.321.7256.255.

Which clinical studies provide the best evidence? The best RCT still trumps the best observational study

S Barton
Editorial

Which clinical studies provide the best evidence? The best RCT still trumps the best observational study

S Barton. BMJ. .
No abstract available

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