Call your doctor if you have any unusual problems while taking this medication.

An afternoon of collisions did not seem to create any unusual problems.

Have your people been having any unusual problems over there?

Are the present problems unusual or has the client a long history of similar difficulties?

On the other hand, the program involved some unusual problems for the school.

Still, it was necessary to deal with some unusual problems.

But when he was only 9 months old, an unusual medical problem arose.

"We're getting e-mails every day about somebody here or there across the country with some unusual problem."

Yet there is more than a simple, professional solution to an unusual but possible problem at sea.

Render, the leader in his field, takes on a patient with an unusual problem.