But the data exist to permit us to do better.
And second, as Flegal points out, little data exist to support any of this.
Robert Duncan, the general manager of Collier Resources, said, "Vast amounts of data exist" to substantiate a high value.
But no hard data exist to corroborate the estimates, he said, "because there is almost an underground market of antibiotics in Chile for salmon aquaculture".
Before the 1990s, children with autism were tallied in other categories, though no data exist to tell us exactly which ones.
The European population of common quail suffered a decline in the twentieth century and no good data exist to quantify what percentage of the population is being caught annually in Egypt, but it's likely to be substantial.
Insufficient data exist to inform decision-making.
Yet, no empirical data exist to support this suggestion.
However,few data exist to support this notion.
Little data exist to guide physicians in these decisions.
Despite substantial research on simulators, few data exist to support the effectiveness of simulation skills curricula.
