The phrase "a matter of persistent" is not correct as it is incomplete and lacks a noun to follow "persistent." You can use it when discussing an issue or topic that is ongoing or recurring, but it needs to be completed for clarity.
Example: "This is a matter of persistent concern for the community."
Alternatives: "an issue of ongoing" or "a question of continual".
The clinical consequences of storage lesions, however, remain a matter of persistent controversy.
The organization of signalling between Ca2+ entry and regulation of gene expression remains a matter of persistent debate [ 10– 13].
The added value of animal feeding trials as well as in vitro and in silico approaches with whole food/feed for the risk assessment of genetically modified plants (GMPs) is a matter of persistent public debate when assessing the environmental and health risks.
It's a matter of survival thanks to the persistent lack of demand from consumers. .
Whether spontaneous depolarization plays a role in the substrate of persistent AF is a matter of debate.
Given their status as France's most powerful rugby aristocrats it was only a matter of time before Stade satisfied their persistent itch, and their sense of relief on Saturday was shared by the tournament's organisers.
This point is similarly argued in Cynthia Luna Scott's 2015 article, The Futures of Learning 3, "Saavedra and Opfer (2012) argue that learners must hone their skills and enhance their learning as a matter of urgency to be able to address persistent global challenges" [4].
Preliminary work by our team documenting the natural course of distress in newly diagnosed patients over 1 year in a large clinical population suggests that for some people with cancer, distress may decrease as a matter of course; for others, distress may be persistent (Carlson et al, 2011).
Contamination of soils and groundwaters with persistent organic pollutants is a matter of increasing concern.
On the assumption that any persistent misinformation is not as much a matter of public knowledge as Paris Hilton's antics, one could reasonably expect that equal time is the fittest remedy.
Precisely how pesticide residues and other persistent pollutants affect human health is still a matter of debate.
