She noted that other researchers had implicated electromagnetic radiation as a possible cause of brain tumors, but the theory is fiercely disputed.

The modern implications of these names are ethnic and cultural rather than geographical, and they are fiercely disputed.

This argument has been fiercely disputed in Poland, where Schulz is seen first and foremost as a Polish writer.

This figure is fiercely disputed by Unison, which says that over 400,000 people went on strike.

To this day, his supposition that Nosenko was supplying disinformation is fiercely disputed within the agency.

Whether his opinions were in accord with the principles of the established church or not, was fiercely disputed both before and after his death.

That assertion is fiercely disputed by human-rights groups.

Most of these claims are fiercely disputed by the Catholic Church and others.

Since then, the identity of Critias is fiercely disputed among scholars.

The effectiveness is fiercely disputed and statistically hard to determine.