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Article

Blinded trials taken to the test : an analysis of randomized clinical trials that report tests for the success of blinding. Commentary.

A. HROBJARTSSON ; B. AJS-NIELSEN ; BRORSON (S.) : DNK. Department of Orthopedic Surgery. Amager University Hospital. Copenhagen. ; E. FORFANG ; M.T. HAAHR ; SACKETT (David-L) / disc. : CAN. Trout Research and Education Center at Irish Lake. |

Dans International journal of epidemiology (vol. 36, n° 3, 2007)

[BDSP. Notice produite par INIST-CNRS i0B3dR0x. Diffusion soumise à autorisation]. Background Blinding can reduce bias in randomized clinical trials, but blinding procedures may be unsuccessful. Our aim was to assess how often randomized clinica[...]

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Article

Impact of allocation concealment on conclusions drawn from meta-analyses of randomized trials.

J. PILDAL ; ALTMAN (D.G.) : GBR. Centre for Statistics in Medicine. Oxford. ; P.C. GETZSCHE ; HILDEN (J.) : DNK. Department of Biostatistics. University of Copenhagen. ; A. HROBJARTSSON ; K.J. JORGENSEN ; Nordic Cochrane Centre. Rigshospitalet. DNK |

Dans International journal of epidemiology (vol. 36, n° 4, 2007)

[BDSP. Notice produite par INIST-CNRS R0x2o5hi. Diffusion soumise à autorisation]. Background Randomized trials without reported adequate allocation concealment have been shown to overestimate the benefit of experimental interventions. We invest[...]

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