Impact assessment of the European Clinical Trials Directive: a longitudinal, prospective, observational study analyzing patterns and trends in clinical drug trial applications submitted since 2001 to regulatory agencies in six EU countries.

Trials · 2012 · PMC3349611 · PMID 22540886

Europe PMC DOI

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highly significantno p-value reported

P -values ≤ 0.001 were considered to be highly significant.

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