Bacterial culture may need to be performed in cases of a negative rapid streptococcal test.

This procedure may be performed, for example, in cases of chronic pain where other treatments have failed.

It would also give the city the power perform emergency repairs in certain cases, applying the bill to the owner's taxes.

This procedure is usually performed in cases of laryngeal cancer.

Standing castration can be performed in more complicated cases.

He said he performed the same function in Iran-contra cases.

More formal nerve conduction studies are only performed in selected cases.

The procedure must also be performed in cases where death is unknown because of lack of medical care.

By the late 1950s the lobotomy craze was over, and only a very few continued to be performed in special cases.

This procedure is usually performed only in serious cases that do not respond to other therapies.