The phrase "a concern was expressed" is correct and usable in written English.
It can be used when indicating that someone has voiced a worry or issue regarding a particular matter.
Example: "During the meeting, a concern was expressed about the project's timeline and its feasibility."
Alternatives: "a worry was raised" or "an issue was brought up".
A concern was expressed that it is extremely difficult to foresee all effects of regulative actions because of communication barriers between regulative policy makers and the developers of technology.
A concern was expressed whether labeling with CD31 might have interfered with sporozoite migration and invasion of the vasculature.
However, a concern was expressed that certain patients might not give honest answers to the SF-36 questions due to fear of discontinuation of treatment.
Related to this, a concern was expressed about the lack of independent validation of the key conclusions that were drawn in most of the studies reported at the meeting.
For example, if a concern was expressed about an increase in all cancers, but the investigation assessed multiple sites across multiple age-, gender- or race-specific population subgroups, and reported that only some of the rates were statistically significantly elevated without an overall increase in all cancers, the cluster was not considered confirmed.
A similar concern was expressed by health policy experts at the Center on Budget and Policy Priorities, a liberal-leaning research and advocacy group often cited by Democrats in Congress.
Since the initial hypothesis about a low α/ β for prostate cancer derived from brachytherapy data, a specific concern was expressed toward the fact that neither Brenner and Hall [ 10] nor Fowler et al. [ 24] assumed that repopulation in the tumors was significant during low-dose-rate treatment with I125.
Although there appeared to be general receptiveness to the proposition of a Black Studies Program, concern was expressed by some administrators present that "'funding and the ability to secure competent teachers' might present an obstacle to formation of the program". After a few meetings the momentum for the creation of Black Studies Program staled.
"While no consensus was reached, a general concern was expressed that to provide Puerto Rico's municipalities access to Chapter 9 of the Bankruptcy Code would not, by itself, solve Puerto Rico's difficulties, which are associated with underlying, structural economic problems," Rep. Bob Goodlatte (R-Va)., chairman of the Judiciary Committee, and Rep. Tom Marino (R-Pa). said in a joint statement.
A second concern was expressed by researchers who were using proprietary database implementations.
A similar concern was expressed by the Regional Committee for Africa of the World Health Organization (WHO) in 2001.
