Sentence examples for samples and lack from inspiring English sources

However, variations in preanalytical processing of samples and lack of established endogenous controls limit the comparability of results [21].

However, most often difficulties in treating the samples and lack of specialists capable of adequate species identification hamper incorporation of biodiversity investigations into the routine monitoring programs.

The authors speculated that the differences in results may be attributed to heterophilic antibody effects, non-specific IFNγ in the blood samples and lack of standardised lymphocyte counts in EIA-based technology compared to ELISPOT.

The majority of studies are limited by design, include heterogeneous samples and lack adjustment for major confounding factors.

Among the limitations of this clinical study were the small sample size, restricted access to infant blood samples, and lack of a detailed food intake assessment.

Several methodological challenges, such as small sample sizes, non-representative samples, and lack of comparisons with normative data limit the interpretation of many studies.

Although the ANT has been applied in healthy individuals and various clinical populations, data on retest reliability are scarce in healthy samples and lacking for clinical populations.

The major limitations to this pilot study include the small sample and lack of a normal vessel group.

A coherent picture emerged across the individual interviews and group interviews, but our findings may be biased by the small study sample and lack of independent data.

Additionally, quality of sample and lack of significant degradation products was confirmed on an Agilent Bioanalyzer.

Limitations include fairly small sample and lack of no-treatment control.