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I must get down to a controlled study of this.
Few if any controlled studies have been carried out to answer the question.
Only those women participating in controlled studies can get them now.
Variable success rate with treatment, very few controlled studies, mostly case reports.
We see it as an open door to doing more controlled studies at the university."
Evaluation by controlled studies needs to be built into the legislation.
Recent carefully controlled studies have more ambiguous results than expected.
Limited controlled studies are available due to its recent invention.
Although it's not a controlled study, it gives one pause.
However, there are no adequate and well controlled studies in pregnant women.
The effectiveness of this program has been confirmed in a recent controlled study.
There are special rules to protect participants, and the trials follow a controlled study plan.
Replies: I am not aware of any controlled studies to support either the 5 or 10 second rule.
However, this has not been confirmed by randomized, controlled studies.
However other controlled studies have not shown such effects.
A dozen are currently being tested, but only one controlled study has been completed.
The study involved an international group of more than 50 researchers and focused on 140,000 patients in 300 scientifically controlled studies.
It's a placebo controlled study, so neither doctor nor patient knows who gets what.
Why should such an obvious finding need an elaborate controlled study to establish?
At this point, the scientists do not believe they know enough to launch a larger, controlled study of the drug's effectiveness.
Since, 2005 many researchers have conducted and published controlled studies of the reading tutor.
As of 2011 that number has about doubled and new controlled studies are now appearing very regularly.
There have been no controlled studies regarding this treatment.
A new randomized and controlled study, done with today's standards, could provide more convincing data.
The largest controlled study to date found no cognitive benefit after two years in the elderly.