As of January 2007, two peer-reviewed studies have been published on the condition.

No peer-reviewed studies have addressed treatment with the related compound trimethylglycine.

Several subsequent peer-reviewed studies have failed to show any association between the vaccine and autism.

The group clearly has a green agenda but the report is based on peer-reviewed academic studies.

Numerous scientific, peer-reviewed studies show that such programs do not limit teen pregnancy over the long run.

It does not carry the weight of a final, peer-reviewed study from our independent nongovernmental institution.

Several peer-reviewed studies mention in their introduction that most researchers accept the theory as an empirical fact.

Only summary details are known, and the finders have not yet released a peer-reviewed study.

There are no peer-reviewed studies showing that this treatment is effective.

No peer-reviewed studies have been published showing the effectiveness of commercial systems in a clinical context.