The phrase "a particularly controversial issue" is correct and usable in written English.
It can be used when discussing a topic that generates significant disagreement or debate among people.
Example: "The debate over climate change policies has become a particularly controversial issue in recent years."
Alternatives: "a highly debated topic" or "a notably contentious matter".
There is also a story, probably apocryphal, that Franklin's proposal to call in a chaplain to offer a prayer when a particularly controversial issue was being debated in the Constitutional Convention prompted Hamilton to observe that he saw no reason to call in foreign aid.
A particularly controversial issue when making predictions of protein interaction is the definition of a functional association.
The measurement of productivity losses, often also called indirect costs, is a particularly controversial issue.
Previous MAC infections in RA patients are a particularly controversial issue, because the aggravation of MAC infection requires abandoning effective treatment with biological agents [ 11, 14].
Despite this progress, several areas in the field of AKI remain uncertain, the issue of RRT being a particularly controversial one [ 5].
This should not be a particularly controversial line.
The intraabdominal origin of PMP has been a controversial issue, particularly versus borderline ovarian tumors.
The use of condoms as part of a comprehensive programme is still a controversial issue for many churches, particularly the Roman Catholic and Pentecostal denominations.
"Governor Richardson has to be particularly careful because this is a very controversial issue and he doesn't want to be branded as taking a position that would draw attention to his ethnicity," he said.
"It is unrealistic to expect the U.S. is going to revisit what was a very controversial issue again so quickly, particularly when the rest of the world is harmonizing intellectual property laws," said David H. Bernstein, a partner and intellectual property litigator at Debevoise & Plimpton in New York.
The definition of a "successful" outcome is a controversial issue.
