At the present time, it is difficult to estimate the direction and impact of this possible bias.
Overall, based on the present studies it is difficult to estimate the potential prevalence of OSA/OSAS in the general population in these countries, because of the heterogeneity of the subjects and methods used to assess patients at risk and different types of sleep monitoring devices used.
Moreover, no special measures were taken to reduce or account for such biases during the course of diagnosing patients in the present sample, rendering it quite difficult to estimate how much and what kind of effect biases have had on the above reported prevalences of OB+ADHD.
The influence of the structure of the protein on the accessibility of the phosphorylation motif to the kinase (issue d) is difficult to estimate at present.
Precision medicine is destined to shape the future of medical research, and in a measure dependent on EHR' contributions that is still difficult to estimate at the present time.
However, in the present case of strong degeneration, it is difficult to estimate (|operatorname{grad} u_{varepsilon}|_{L^{1}(Q_{T})}).
Presumably demographic events play a similar role in A. thaliana, although the magnitude of these effects is difficult to estimate with the present data.
The systematic uncertainty in the temperature is difficult to estimate and is not presented in this paper.
Prevalence odds ratios are presented in our multivariate analysis, as it is more difficult to estimate prevalence ratios in a multivariate analysis taking into account the sampling design.
"It is difficult to estimate how many civilians or militants are present in the city," General Abbas said.
