"One of the most difficult points for anyone starting out in the field is getting hold of well-characterized cells," he says.
This is the key point and the most difficult point for many complicated surfaces, such as a multicavity structure.
A particularly difficult point for both Warner and Mr. Silver is the cost of his production deals.
"If you look at the Senate, there are far more Democrats up for re-election, and if he is going to run against the do-nothing Congress, that is a difficult point for him to be making when his own party controls the Senate".
As for the UK, Amey thinks that new Bank of England governor Mark Carney will try to juice up growth via a lower pound, something that should give foreign creditors pause.The most difficult point, for me, is in timing.
Again, not a difficult point for anyone who cares to read before he writes.
The Benghazi attacks, and the images of Ambassador Chris Stevens's limp body being carried from a burned-out safe room, were a difficult turning point for the risk-averse White House.
Outcome analysis in club foot has traditionally been difficult because of different starting points for the analysis, a lack of standardization in deformity description, a variety of surgical techniques, various patient-based evaluations and poor agreement on the criteria which constitute a good result [9].
6) Sensitivity analysis: I would be interested to see some sensitivity analysis around unit cost given that this is one of the most difficult data points for programs to have especially when they are considering scaling up new interventions.
To policymakers in the United States and Europe, anti-Muslim attacks seem to be an inconvenience--something that creates difficult talking points for nations otherwise eager to normalize relations with Burma and ramp up business and military ties.
