Sentence examples for previously been ascertained from inspiring English sources

Test samples, the origin of which had previously been ascertained using conventional techniques, were then analysed to determine the accuracy of their method.

However, possible association between preoperative anti-platelet therapy, specifically LdAA, and mortality following hip fracture has not previously been ascertained.

Control individuals facilitating the haplotype analysis of wild-type CBS chromosomes had previously been ascertained in two different studies.

The optimal schedule of gemcitabine combined with treosulfan has not yet been defined and the pharmacological basis for synergism existing between these two agents has not previously been ascertained.

Basonuclin was likely an rRNA transcription regulator, but its relation to Pol I had not been ascertained previously.

Reproducibility and reliability of this procedure have been ascertained previously for both automatic segmentation and manual tracing [ 8, 27, 29].

The potential effect on allogeneic BM engraftment after nonmyeloablative conditioning which is of relevance for clinical BMT has not been ascertained previously.

In general, two big problems with Ecstasy have been ascertained.

At each visit, all new pregnancies are registered and the outcome of previously registered pregnancies is ascertained.

Drug changes (i.e., new prescriptions or increased dose of a previously used drug) were ascertained using the computerized provider order entry system, whereas falls were ascertained by incident reports.

Also, although in the causal diagram previously undiagnosed diabetes precedes advanced-stage cancer diagnosis, since previously undiagnosed diabetes status was ascertained at the same time as cancer stage, we cannot conclude that previously undiagnosed diabetes caused advanced stage cancer in our study.