These findings show the importance of randomized, prospective studies to confirm epidemiologic studies.

This book contains many descriptive data, most of which had either been previously published or confirm previous studies.

Researchers say the results confirm previous studies that have suggested drinking tea may protect against bone loss and osteoporosis.

The analysis confirmed earlier studies that showed that fratricidal casualties in the Persian Gulf campaign came to 17 percent.

But after consulting the Bolivian Health Ministry, we decide to wait until there are confirming studies.

Researchers say the findings confirm prior studies that show fish oil supplementation is an effective addition to standard treatment for bipolar disorder and recurrent depression.

Possibility of Intimidation These results confirm several other studies showing that students who have chosen their school do better.

This confirms previous studies that suggested that ice caps formed on the poles around this time.

This helps confirm studies showing that only extracurricular achievements increase the probability of success in later life.

The Philadelphia project confirmed past studies: students' attitudes toward school were better, as reflected in better attendance and promotion, although their test scores were not.