"raised concerns regarding" is correct and usable in written English.
You can use this phrase to introduce a concern about a particular topic or issue. Example: The committee raised concerns regarding the organization's financial stability.
The expansion of sugarcane plantations in Brazil has raised concerns regarding its hydrological impacts.
Before debriefing, no subject raised concerns regarding the actual nature of the stimuli.
Some member states and student organizations have raised concerns regarding the E.U. proposal.
I raised concerns regarding the bullying and its infringement to patient care and safety using the whistleblowing policy.
In this study, ship and aircraft pilots have raised concerns regarding the design of control tools for manoeuvres.
Finally, D. Rice raised concerns regarding the use of data derived from toxicity screening tests to human health risk assessments.
Nevertheless, lead migration of the initial design and inappropriate shock rates have raised concerns regarding its reliability and safety.
Recent data raised concerns regarding the safety of everolimus (EVR) in the early post-operative period in de novo heart transplant (HT) recipients.
Increased collagen content, unpredictable collagen synthesis, and abnormal bony architecture have raised concerns regarding bone splitting intraoperatively and bone healing postoperatively.
The extensive use of fossil-based plastics has raised concerns regarding the depletion of fossil resources and the deterioration of the environment.
The increasing use of cyanoacrylates in dentistry, particularly as an adhesive and sealing glue, has raised concerns regarding its potential toxicity in humans.
