There is new, more definitive evidence implicating camels in the ongoing outbreak of Middle East Respiratory Syndrome, or MERS.
With many long-term experiments running around the world, more definitive evidence should be available in the near future.
So until there is more definitive evidence, it doesn't seem right to imply that there is a clear and known effect.
He says the report: represents even more definitive evidence of the growing urgency to immediately reduce the spewing of global warming pollution.
Still, there is enough consistency of findings to present testable hypotheses for clinicians and administrators to evaluate and guide practice until more definitive evidence is available.
Until more definitive evidence is available, physicians may also need to consider a booster dose for such children irrespective of ART status.
In 1999, even more definitive evidence piled up, when detailed studies of the two groups' DNA showed that they were far too distantly related to be considered the same species.
Reh's current work offers more definitive evidence that immature cells, derived from muller glia, can differentiate again into mature neurons, says Michael Young of the Schepens Eye Research Institute.
But, if the F.D.A. is going to allow innovative drugs on the market based on promising early studies, it must be able to revoke those approvals based on more definitive evidence.
While Mr. Obama has insisted on more definitive evidence before acting, he has also signaled that he may reverse his decision to reject a plan to provide weapons to the rebels first advanced last winter by David H. Petraeus, then the C.I.A. director, with the support of Hillary Rodham Clinton, then the secretary of state.
Weighing a Response While Mr. Obama has insisted on more definitive evidence before acting, he has also signaled that he may reverse his decision to reject a plan to provide weapons to the rebels first advanced last winter by David H. Petraeus, then the C.I.A. director, with the support of Hillary Rodham Clinton, then the secretary of state.
