With respect to PET, the reconstruction in CLT is complicated by the absence of a tissue equivalent material able to mimic the tissue interactions with visible light over the entire Cerenkov spectrum and by the lack of a reference standard (as is water for PET) to calibrate the detector response in terms of emitted radiance at the tissue surface.
That's the template the Americans and their allies want to apply to other parts of Iraq, and Syria, but the situation in both countries is complicated by the absence of clear-cut, cohesive local forces on the ground to work with.
Measurements of the surface areas of the tonoplasts in acclimated cells are complicated by the absence of vacuole shape uniformity.
They represent a challenge for public health specialists because conducting analytical studies in such investigations is complicated by the absence of a nonexposed group.
Although direct comparison of the two structures is complicated by the absence of substrate (analog) in the latter, the increased active site accessibility in the CP variant could account for observed moderate gains in catalytic activity.
12 in Annex S1] The application of this item was made more complicated by the absence of an independent reference test in many of the studies.
Phylogenetic analysis of the PLAG1 gene family was complicated by the absence of a PLAGL1 ortholog in birds and by the absence of a clear homolog in Drosophila.
Moreover, this is complicated by the absence of neurologists or headache specialists in most parts of Africa including Ethiopia. 5.
It is further complicated by the absence of clear parameters to preview biological behavior, in particular to predict development of metastasis.
The proposed Israeli-Palestinian security talks were complicated by the absence of the Palestinian prime minister, Mahmoud Abbas, who was in neighboring Jordan receiving medical treatment for an eye ailment, Palestinian sources said.
It's a two-hour drive from Santiago, complicated by the absence of road signs, a Cuban idiosyncrasy.
