We woke up to the fact that a great deal of our economic life seemed to be based on, well, nothing very much really, except the exchange of currencies and speculations.
Similarly, the rapid, widespread, and unpredictable migration of global strains into Peru and widespread global mixing shown in this study emphasize that vaccine recommendations in either hemisphere need to be based on well distributed, widespread global H3N2 virus sampling from as many sentinel laboratories as possible (6 ).
The public interest would be better served by more recognition of those educators, and by some acknowledgment that their resistance to "reform" may be based on well-founded judgments that some reform initiatives are actually counterproductive.
The UK's National Audit Office NAOO) said of the PPAs in its 2006 report that they "offer the prospect of a more strategic approach to long-term development challenges, better coordination and reduced transaction costs – where they can be based on well-specified and monitorable strategic objectives".
This assessment should be based on well-conducted clinical trials in which interventions are provided in a routine service setting, and in which benefits are assessed among other things on the basis of the patient's perceived quality of life.
In such analyses, expectations for country- or regional-level land-use change would not be based on well-calibrated models' projections for the near future but on plausible global change trajectories.
Therefore, it has been argued that public health action should be based on well-performed epidemiological investigations encompassing clear statistical associations with a specific exposure [ 25- 27].
Each modality is associated with advantages and disadvantages, and the choice of modality should be based on well-defined factors, including the type of stone, its location and environment, and other anatomic characteristics [ 3].
Any policy discussion should be based on well-established risk assessment principles that weigh the hazard and exposure potential of specific substances and should include the implementation of best practices to reduce the potential for exposure while preserving the essential societal benefits of fluorotechnology.
Ironically, most of these quality measures are based on, well, more testing and treatments.
And in a nod to our darker side, some advocates of sharing are betting that success is based on, well, self-interest.
