There are awkward silences for some who fear offending their neighbors (whose position they cannot be certain of), and, for others, volleys of suspicion.
At present, we cannot be certain of the reason for the markedly differing survival in the two cohorts.
If the new coach picks on the evidence before his eyes, rather than on the basis of received wisdom and reputation, Youngs cannot be certain of making the cut for the Calcutta Cup game in two months' time.
Thus, even if transporting males assess predator presence prior to tadpole deposition, these males cannot be certain of a low predation risk for their brood in the near future.
We cannot be certain whether the preference for mastectomy over breast-conserving surgery occurred in our study's patients.
Since our investigation is not based on a representative sample, we cannot be certain to draw conclusions for the whole population, although differences in reported PA between the French and German regions in large representative samples of adults and in a population of school-aged children and adolescents confirm our findings [ 26, 34- 36].
Since the crossing schemes employed potentially disrupted the very co-adapted gene complexes that might be critical to the F1 phenotype we cannot be certain that the genetic architecture for the incompatibility observed in the F1 hybrid has been fully characterized.
Although the models used for the two experiments were similar, we cannot be certain that the additional surgical preparation required for experiment 2 did not cause hemodynamic differences between the two preparations (for example, in regional microvascular flow).
Although our finding that recruitment method did not influence study outcomes in this acupuncture trial was reassuring, we cannot be certain that this would be true for other types of complementary medicine.
