Sentence examples for controls sampling from inspiring English sources

We included a total of 81,950 population controls, sampling only among individuals who were resident in the study areas at least two years before index date.

We identified a total of 99 790 population controls, sampling only among individuals who were residents of the study area for at least 2 years before the index date.

For example, a sample with case-control ratio of 1 1 contained 289 cases and 289 random subjects out of 1006 controls (sampling fraction 289/1006 = 0.287).

Backskin samples (~1 cm) were dissected from the lesion and/or tumor regions of the mid-dorsal backskin from DMBA/TPA-treated mice as well as their vehicle-treated controls; sampling was done 2, 4, 6, 8 and 12 weeks after the initiation of the experimental protocol.

a) Unstained control sample.

Extended Data Fig. 3 Inactive-galaxy control sample.

The control sample was transfected with dCas9-P300 only.

Platform evaluation and analysis method selection using quality control samples.

Negative control samples never showed amplification of the SC genes.

developed and prepared breast xenografts used as quality control samples.

All control samples were negative.