One barrier to action has been the difficulty of accounting for biodiversity and ecosystem services.
Another was the difficulty of accounting for choices by consumers to avoid rising prices by switching from one type of product to another -- renting a video, for example, rather than going out to see a movie.
That, along with the difficulty of accounting for varying rates of inflation since 2005, meant the PPP data were getting ever more inaccurate: the new data put China's PPP exchange rate 20% higher.
However, this is likely an underestimate because of the difficulty of accounting for indication.
Given the difficulty of accounting for spatio-temporal expression effects as seen in cDNA, we focused on developing methods to use genomic DNA.
(It may be that some of this inconsistency can be explained by the difficulty of accounting for pent-up demand prior to portal use or the fact that patient portal use may be a predictor for healthcare needs).
Occupational disease reporting is generally suspected to underestimate true disease rates, given both the underdiagnosis of, and difficulty of accounting for, noninjury work-related illnesses (Herbert and Landrigan 2000).
"Give me the hand," one says, instead of "Give me your hand" An American lady, the wife of a businessman residing in Mexico City, ran into difficulties on account of this.
The use of advanced methods, such as DXA and peripheral qCT, has posed serious difficulties on account of the complex and limited space around the jaw, as well as the potential risk for high local radiation exposure to neighboring vital structures, particularly in the head and neck.
In that testing session, he was tested with the original line drawings, but also with new and unfamiliar line drawings of animals of similar difficulty, to account for possible familiarity influences on his performance.
