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The phrase "a randomized controlled trials" is not correct in written English.
It should be "randomized controlled trial" when referring to a single study or "randomized controlled trials" when referring to multiple studies.
Example: "The research included several randomized controlled trials to evaluate the effectiveness of the new medication."
Alternatives: "randomized controlled study" or "randomized trial".
Exact(1)
Conclusions: The intervention arms of a randomized controlled trials can be identified by machine extraction incorporating syntactic features derived from full sentence parsing.
Similar(59)
Environmental changes to control obesity: a randomized controlled trial in manufacturing companies.
A randomized controlled trial.
a randomized controlled trial in healthy participants.
The researchers used the questions in a randomized controlled trial.
Results from a randomized controlled trial.
Study design: A randomized controlled trial.
Muizelaar went on to conduct a randomized controlled trial, comparing hyperventilated patients with normally ventilated ones.
Fjeldsoe BS, Miller YD, Marshall Alison L. MobileMums: a randomized controlled trial of an SMS-based physical activity intervention.
Cornuz, J. et al. A vaccine against nicotine for smoking cessation: a randomized controlled trial.
Van Wagner, L. B. et al. Pentoxifylline for the treatment of non-alcoholic steatohepatitis: a randomized controlled trial.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com