However, this hypothesis remains scarcely tested, due to the difficulty of obtaining detailed, quantitative historical records of forest cover.
This is most unlikely to represent a real effect, and is probably an artefact of the difficulty of gaining detailed data for patients who have died several years ago, who tend to be cases rather than controls.
But in 1980, Pope John Paul II waived the requirement for Tekakwitha's first miracle, citing the difficulty of confirming details of incidents said to have occurred hundreds of years ago.
The results of the Scottish case were an improvement over previous computer simulations without the canopy model, and showed the difficulties of comparing detailed three-dimensional computer simulations with field data point measurements.
Commercial imperatives, along with the difficulty of recreating his detail-driven timing in close conjunction with the original performers, make that almost impossible.
I don't want to embarrass my group by detailing the difficulty of their backgrounds.
From the first application of TILLING to Arabidopsis [ 23], many studies have detailed the difficulty of developing primers for TILLING and EcoTILLING for crops, because most crops harbour very complex genomes and genomic sequence information is insufficient [ 10, 20, 24, 25].
The late Clara LeGear, an atlas authority at the U.S. Library of Congress, identified four impediments: Mercator's need to support himself with other projects, the difficulty of obtaining reliable geographic details, the slow pace of meticulous map engraving, and a shortage of skilled copperplate engravers.
Secretary Powell acknowledged to reporters on the plane returning to Washington from Budapest that "the difficulty, of course, is in the details," adding that the list of items was "excruciatingly detailed".
You dodged the difficulty of learning about those challenging details by substituting reading SEC documents for meaningful analysis.
