Therefore, further randomized, controlled, prospective trials are needed in order to demonstrate the causality of vitD in AITD and consequently the role of vitamin D supplementation in prevention or improvement of AITD, providing also information on the best formulation, dose and timing of supplementation.
But in addition, we also provide experiments where we have interfered with the experimental system in various ways to demonstrate the causality between promoter CTD S2P and the activation of transcription.
Both studies were cross-sectional, which does not allow for demonstrating the causality of the changes observed.
The result was perfectly consistent with the previous result [ 2], and is another example demonstrating the causality of this gene in the QTL.
In an application to testing for money income causality, we demonstrate the importance of incorporating exact temporal aggregation restrictions on the discrete time data.
Historically, the initial efforts by psychologists, typified by research in the mid-20th century, were attempts to empirically demonstrate the precipitating power of psychological processes attempts to demonstrate primary direct causality using psychological-behavioral methods, typically in animal experiments.
The task of demonstrating the basis for causality, even of haplotypes, is not trivial, and thus far has not been achieved for most of the genetic associations currently identified by GWAS.
Although this analysis cannot demonstrate causality, the results offer suggestive evidence that the Affordable Care Act -- modeled after the Massachusetts law -- may impact not only coverage and access but also mortality," the report says.
Despite no conclusive causality demonstrated, the current evidence for adverse effect on birth outcomes was stronger for heat than for cold.
To demonstrate possible causality between the different outcomes included in the analysis and maternal age a great number of putative intermediaries such as fetal size, oxytocin infusion and previous CS would have been considered, but determining causality was not the purpose of this study.
We used qualitative data, and we cannot demonstrate causality between the contextual factors and the outcomes.
