The large-scale screening for human cancer cells is limited by high-cost, false positives, and difficulty to interpret mechanisms, and the information is scattered in the literature.
Although PCR is highly sensitive, false positives and difficulties of primer design discourage its use.
Subthemes relating to relationships with family and friends included changes in relationships due to their difficulties, positive support, feeling unsupported and concealing difficulties from others.
In this study, HIV positive patients with difficulty in chewing are seven times more likely to have oral candidiasis than those without any difficulty in chewing.
On the positive side, the difficulty of moving dislocations makes quasicrystals extremely hard.
Scores greater than 2 were considered positive, indicating some difficulty with reading printed health related material.
Although the mechanism underlying the positive association between difficulty initiating sleep and diabetes is not clear, we are able to propose some candidates.
Mabelle Kpawilina, a 22 year old woman who is HIV positive, illustrates the difficulty of containing the spread of the disease in a city with no social services, a socio-economic situation choked by poverty and official repression and little sustained community educational outreach.
Coverage of the firm's results was positive despite the difficulties of drawing anything concrete from a single set of quarterly figures.
So, there is still much to be learned with regard to the implementation of this policy in Brazil, considering the positive aspects and difficulties.
One such outlook is a general tendency to regard the world as a positive place, accepting difficulties as mere challenges instead of impassable barriers.
