In rare cases, they may last a day or two.

In some rare cases is can be passed down through families.

It is possible for them to live up to 10 years in rare cases.

May be it is a rare case in world's history either.

These previous questions should only be used in rare cases the other person doesn't tell you.

Often there's no response or, in rare cases, parents may not even be able to read it.

It is one of those rare cases in which I can please everyone.

"But if we don't protect against these rare cases, then the whole field of computer security will get a bad name."

Sometimes hands, or in rare cases, the back of heads would also be seen.

Only in rare cases does a person get very sick or have to go to the hospital.