Sentence examples for large national study from inspiring English sources

But it is the only large national study that compares what is thought to be a largely robot-assisted surgery group with a group that did not have a robot.

In fact, a large national study still in progress strongly suggests that raloxifene protects against breast cancer, much like tamoxifen.

But then again, the large national study that established this, like nearly every other cancer study until now, had virtually no patients over 65.

In discussing the chances of a "false diagnosis," he cites a large national study of children between the ages of three and seventeen.

Now, a large national study suggests the so-called stroke belt may have another troubling health distinction.

Dashing the hopes of many doctors, a large national study has found that contrary to some preliminary research, a simple step -- lowering the temperature of the brain -- did not help patients with severe head injuries.

Surveys can be used to conduct large national studies or to query small groups.

When I did this using information from a dozen large national studies conducted between 1960 and 2010, I found that the rich-poor gap in test scores is about 40 percent larger now than it was 30 years ago.

Large national studies, especially population-based studies, provide a better framework for estimating implant survival rates that can more readily be generalized to the majority of patients receiving THA.

This item has been used in large national studies of decision making.

The twelve-item version CES-D has been validated and applied in other large national studies [ 26].