Because of its history, the city displays a development pattern which does not focus on a single centre.

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

The surface of this world was one single industrial centre.

As a result, these "cities" have no single centre, but several.

The art world no longer has a single center, or even two or three.

Now that the convention was behind us, we needed much better coordination among all the forces, with a single strategic center.

The service said it planned to consolidate testing at a single center.

He got a hit, a single to center in his first major league start the next day.

We do not have a single centre which could react to disaster situations.

Finally, because the study was limited to a single center, the results may not apply to other patient populations.