DOI:
10.1055/s-00000021
Gesundheitsökonomie & Qualitätsmanagement
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References
Glasziou P, Chalmers I, Rawlins M. et al.
When are randomised trials unnecessary? Picking signal from noise.
Bmj 2007;
334 (7589) Epub 2007/02/17 349-351
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