The terminal hydroxyl groups (−OH) can serve as dyeing sites, but PET is difficult to dye because the individual chains pack tightly.
From our previous experience, defining the tumor border solely on the basis of the variable target expression/tracer uptake in (R -[11C]PAQ PET is difficult, and theR -[11C]PAQ suPETisr soft tissue resolution capability of MRI was usedifficultrmine the VOIs.
The death of a family pet is difficult, especially when you have to make the awful decision to put your pet down.
In the assessment of brain tumours and metastases, [F]FDG PET is difficult because of high background uptake.
The clinical interpretation of the tracer uptake patterns on AC-PET images is difficult in patients with large metal-induced artifacts.
It is evident in 1E that the exact anatomical location of probe accumulation would have been difficult to discern from PET alone; indeed, it is difficult to distinguish which artery carries the lesion(s).
Like nearly every such third row, the Pilot's is really suitable only for children, pets and groceries because it is difficult for a full-grown adult to access comfortably and, once back there, there is not much leg room.
Of course, there are times when the emotional interaction with pets can be difficult.
They make poor pets that are difficult to care for, and often die from infection, blood loss, improper handling or inadequate nutrition.
Despite being poor pets that are difficult to care for, with a dangerous toxic bite and a sleep cycle opposite to that of humans, a large number of slow lorises are traded as pets, both locally and internationally.
