Sentence examples for be introduced before during from inspiring English sources

We focus particularly on difficult biases and confounding factors that may be introduced before, during, and after the initiation of therapy.

The crowd, boisterous at other times, was silent as Rays leadoff hitter Dayron Varona was introduced before the game, and again during his first at-bat.

Griffey received a loud ovation when he was introduced before his first home game since April 7, when he tore a tendon in his right knee during a rundown.

(It had been introduced before such F.D.A. approvals began).

THE PRESIDENT: Has the document been introduced before?

High-minded alternatives to Facebook have been introduced before.

Before the game, the Ravens' quarterback, Joe Flacco, was introduced before their fullback, Vonta Leach.

Such a combination has been introduced before [34, 41].

Western blot analysis was introduced before [ 29].

We analysed adverse reactions that occurred during the trial according to the original randomised allocation, regardless of whether other drugs had been introduced before the adverse reaction.

There are situations where generic versions are introduced before patent expiration, and in other cases they are introduced years later.