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External Validation of a Measurement Tool to Assess Systematic Reviews (AMSTAR)
- Beverley J. Shea,
- Lex M. Bouter,
- Joan Peterson,
- Maarten Boers,
- Neil Andersson,
- Zulma Ortiz,
- Tim Ramsay,
- Annie Bai,
- Vijay K. Shukla,
- Jeremy M. Grimshaw
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- Published: December 26, 2007
- https://doi.org/10.1371/journal.pone.0001350