Lead poisoning and the development of more effective astringents led doctors to abandon its use.

That has led doctors to feel most at ease giving very aggressive treatments to almost everyone.

The most likely explanation, the researchers said, was that publicity had led doctors to be more alert to diagnosing it.

This idea has led doctors to try two treatments intended to to restore normal immune function.

And it is led by some of the very doctors whose patients were so angered.

However, this came under threat, when a mysterious illness led doctors to suspect he was allergic to alcohol.

Subsequently, a routine operation was scheduled though several complications led doctors to suspect further problems.

The lapse has led doctors to temporarily lose the right to practice medicine in the state.

Yet the reports of Glivec's success have led doctors to prescribe it for their patients anyway.

Begun in 1996, it included 936 women who had symptoms that led doctors to order angiograms.