"manifest concern" is correct and usable in written English.
You can use it to express a visible or outwardly expressed emotion about a certain issue. For example, "He showed manifest concern about the growing levels of poverty."
As a consequence of this disorder, patients typically manifest concerns such as gait problems, urinary continence and cognitive decline.
To determine how frequently pediatricians use body mass index (BMI) and whether pediatricians are more likely to regard a child as "too fat" and manifest greater concern about health sequelae when presented with BMI versus height and weight charting.
The interviewer should manifest interest, concern and empathy, i.e., understanding the subject as a person by immersing oneself in his subjective world.
The manifest part concerns what is said and is visible in the text, while the latent part concerns finding an interpretable structure, a deeper underlying meaning [ 21].
But while Costa (and I, for what it's worth, after three years covering the Mexican drug war) advocates going after the money as the most urgent priority, most of the lexicon in the now burning debate about what to do in the wake of the drug war's manifest failure concerns decriminalisation, or even legalisation.
This gives solid support to the anecdotal evidence and manifests the concern of excessive peer pressure in microcredit group lending.
The manifest level concerns the surface of the text focusing on the more visible and obvious parts.
This way, performed modelling manifests ambiguities concerning PICC as the universal intrinsic factor able to control FCG ubiquitously.
"The deposition testimony by the named plaintiffs shows a perfectly adequate understanding of the case, and it clearly manifests their concerns about Facebook's treatment of personal biometric data," he writes.
Antibiotic resistance in these beneficial microbes, either intrinsic or due to any mutation does not manifest a safety concern in itself.
