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The findings from a meta-analysis of 24 clinical trials conducted over 20 years, involving vitamin D supplementation to prevent dental caries in children aged 5- 14 years, reveal there is wide variation in the results between the studies. Which of the following differences is LEAST likely responsible for this variation?
Years when the studies were conducted.History 1
The findings from a meta-analysis of 24 clinical trials conducted over 20 years, involving vitamin D supplementation to prevent dental caries in children aged 5- 14 years, reveal there is wide variation in the results between the studies. Which of the following differences is LEAST likely responsible for this variation?
Years when the studies were conducted.Moc 1
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