A retrospective analysis of 273 patients observed at a single center.

However, in a retrospective analysis there was a statistically significant difference between years 3 to 4.

Limitations of the study come primarily from being a retrospective analysis.

For now his work is largely focused on retrospective analysis - or hindsight.

This, by retrospective analysis, we could easily explain by the fact of his great trouble.

A retrospective analysis of 109 patients with nonsmall cell lung cancer.

A retrospective analysis of any pioneering process will reveal inadequacies.

In some crops such knowledge has been obtained by doing retrospective analyses of prior genetic gains.

A retrospective analysis and review of the literature.

Retrospective analysis has found some VaR-like concepts in this history.