Surgeons may ask patients for such a test before serious operations.

"It sends a message to political donors that this is a serious operation."

My mother had a serious operation a couple of weeks later.

She died "having lost he will to live" after a serious abdominal operation in the early 1950s.

Following a serious operation he died a few months later.

However, their revenge on Paul's father has to make way quickly for a much more serious operation.

In fact, we have word they are planning another serious operation.

He was said to have undergone a very serious surgical operation.

In 1979 he had a serious operation on the left knee, but recovered for the Olympics.

They relied on the British regular army and navy for any serious military operation.