Qualifications are difficult to compare.
Because of the different administration routes, resveratrol uptake doses are difficult to compare with each other.
In addition, the parameters involved in throwing are difficult to compare.
But the relative times are difficult to compare since the drivers drove on different days.
That makes sense, but different teachers face different challenges, leading to disparate results that are difficult to compare.
Many related studies have considered different algorithms and environments, and thus, they are difficult to compare.
In the absence of published ICU treatment in severe CVT, our results are difficult to compare.
The spectra from such rough surfaces are difficult to compare with previously reported laboratory spectra.
These alternatives are difficult to compare with the weights used in compiling DALYs.
It serves some players to have less transparency, because those products are difficult to compare and margins are typically better.
AEs from different trial programmes are difficult to compare because of differences in the methodology of collecting AEs.
