Sentence examples for sampling were replaced from inspiring English sources
Charts with no baseline information on the intake form, especially demographic data, and chart numbers that could not be found during random sampling were replaced by the next study subject (number) in the list of the study population.
"Well-known and elite athletes" were protected by the false reporting of lab results and the practice of sample-swapping, in which tainted urine samples were replaced with clean substitutes.
He claims to have run a sophisticated state-sanctioned scheme at the Winter Olympics in Sochi in 2014, to ensure crooked athletes' samples were replaced clandestinely with clean ones.
The blood samples were replaced by the same volume of Voluven® (Fresenius Kabi Ltd., Runcom, UK).
The blood samples were replaced by the same volume of Ringer's lactate.
The blood samples were replaced by the same volume of balanced colloid solution.
The blood samples were replaced by the same volume of Voluven®.
In this second approach, the additional samples were replaced by a random sample set of the same size, obtained from the entire study area.
The variances were chosen such that the probability of sampling a negative fitness is very small (less than 10−4); the distributions were truncated so that any negative samples were replaced with zero.
Samples were replaced with fresh dissolution medium.
IHC staining of such non-informative samples were replaced and performed by using whole tissue slides.
