"Hair is not involved in allergic reactions so testing hair samples cannot provide any useful information on allergic status".
Studies of treated samples cannot provide the same mechanistic insights of cancer evolution, he said, because the observed mutations could be the result of the treatment and may not have been observed with a different treatment, or none at all.
However, laboratory tests of intact rock samples cannot provide information about the strength and deformation behaviors of fractured rock masses that include many fractures of varying sizes, orientations and locations.
Also, tests using site-frequency spectrum data to test for deviations from neutral theory predictions (e.g., Tajima D test, Fay and Wu H test) were not employed because our targeted samples cannot provide the unbiased estimates of haplotype frequencies required for their proper application [86].
These statistics can be used to minimize errors arising from extrapolation in the Y-values, but pay no attention to the X-block of predicted samples and cannot provide sample specific prediction confidences.
Because the survey is not a random sample, it cannot provide accurate data of the prevalence of the use of a certain drug.
However, the under-utilization of diagnostic tests such as spirometry in primary care [ 9, 27, 28] prevent this kind of validation from being performed exclusively using the medical record The relatively small sample size cannot provide a comprehensive identification of all factors affecting misclassified or unidentified diagnoses in the database.
The dirty little secret of telephone surveys now conducted by most media outlets is that their unweighted samples alone cannot provide reliable estimates of population demographics like race and Hispanic ancestry.
We characterized cases of acute headaches in a mainly Caucasian sample, yet we cannot provide specific information about the ethnic background of our patients since this information is not routinely acquired in our institutional records.
While analysis of spatial frequencies can efficiently compare different physiological scenarios and sample groups, it cannot provide any ultrastructural insight, nor identify specific image objects like individual TTs.
