| Literature DB >> 11827510 |
Kenneth F Schulz1, Iain Chalmers, Douglas G Altman.
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Year: 2002 PMID: 11827510 DOI: 10.7326/0003-4819-136-3-200202050-00022
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391