This is particularly important for the interval between laboratory examinations.

It was found during a laboratory examination after the sponge had been on the floor.

The laboratory examination is of six hours duration.

The Lady with an Ermine has been subjected to two detailed laboratory examinations.

Initial laboratory examination must be extensive in order to evaluate both the aetiology and severity.

The inquiry includes a laboratory examination of the note from Mr. Dinkins's son in an effort to determine its authenticity.

We now know from direct laboratory examination of lunar craters that they are almost entirely of impact origin.

At Ford's suggestion, the case and the shattered remains of its contents were taken away for laboratory examination.

The laboratory examination of the clothes had brought in nothing particularly helpful.

Part of the investigation will be a laboratory examination of the breaker.