These variable results have been ascribed to implementation challenges, particularly poor quality and low availability of some services due to weak technical capacity, inadequate infrastructure and management capacity, and poor monitoring and supervision [ 10, 11].
This indicates that AD of some cereals can cause problems, particularly if silages are of poor quality or leached, e.g., by rain.
Finally, there might be some measurement error in the quantitative signs assessment, particularly in retinal images of poor quality, given that the computer software needs some manual intervention.
At a broader level, Tanzania's poverty meant that the education and health services, particularly in remote rural regions, were of very poor quality.
This may be particularly true in the case of poor quality or very low DNA quantity forensic specimens, as well as in regions of the mtGenome that are more challenging to sequence (for instance, due to secondary structure or the local sequence environment) and thus exhibit strand bias and/or reduced coverage compared to the rest of the molecule [50 55].
On the other hand, care-giving particularly to adults was associated with a higher likelihood of reporting a poor quality of life (or poor emotional wellbeing).
The improvement in secondary schools has been less obvious, with parents, particularly in London, complaining that many are of poor quality.
Beware of fake medicines: Poor quality and counterfeit drugs are a major threat to malaria control, particularly in those countries where most people seek treatment at private sector outlets.
"And so we've had years of poor funding, poor quality equipment and poor solutions being offered to the poor".
Some bootlegs are unreliable or of poor quality.
