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Date Submitted:
12/12/07
Hits: 19 Rating:  0/5 based on 0 votes
Observational Studies Often Overshadow Clinical Research
Description:
Even when there's strong contradictory evidence from randomized trials, refuted claims based on observational studies often persist in scientific circles, Greek researchers claim. Randomized trials, where participants are randomized to receive one intervention or another and then followed prospectively, are considered by many experts the "gold standard" for research.
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