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Fig 1.

Flow chart of the data collection and analysis process.

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Fig 2.

(A) Stacked area chart displaying the order of appearance and the trends of development of CR, CT, GL, SRV and MA regarding number of publications in PubMed over some time periods.

(B) Stacked area chart displaying the order of appearance and the trends of development of RCT, CCT and PGL regarding number of publications in PubMed over some time periods

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Table 1.

Evidence-based Medicine publications 1945–2012.

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Table 2.

JoinPoint regression analysis of different APC trends.

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Table 2 Expand