It was always the same when he reached a certain stage in a difficult case.

I agree with you that this is a difficult case.

Do we make law because of a few extremely difficult cases?

I want to thank you for your attention and support with my very difficult case.

The result in difficult cases was almost always clear cut.

But the most difficult cases remain, and continued attention is needed.

In fact he had relatively little experience with difficult cases.

It is a very difficult case for a lot of reasons.

That was a difficult case because she kept running away, going back to the natural mother.

For some people, a longer course of treatment is necessary, up to six months in very difficult cases.

Those are our special problem cases, but almost anyone could twig the truth if we have bad luck.

Such problem cases are very few in number.

Now the field of Internet companies has thinned to just the real problem cases and a few that may actually be worth something.

Many institutions, which ultimately closed with big losses, were known problem cases for a year or more.

He, like the other problem cases, had been put onto vancomycin two days before.

An example of a problem case arises if choices include a car and a blue bus.

"In five years and 200 patients, by and large, I have had 5 percent really problem cases, with insurance companies denying it," she said.

When the board size increases, the range of the problem cases increases.

This is incomplete information that is to be determined in each problem case.

File reviews identify problem cases which must then be tackled.