The phrase "controversial concern" is grammatically correct and can be used in written English.
It is typically used to refer to a topic or issue that is divisive or generates debate and differing opinions. Example: The new policy on immigration is a controversial concern among citizens, with some praising it as necessary for national security while others criticize it as discriminatory.
Fire resistance and protection of cellular beams has been very controversial concerning their behaviour in elevated temperatures, the fire protection material and the required thickness.
However, even if report of excitability dysfunction in migraine are controversial concerning the MT assessment, motor cortex plasticity has been found to be consistently altered (short term plasticity and homeostatic plasticity) in the direction of increased responsivity in migraine [43, 44].
In the past month, the two nations came to an understanding on two of the most controversial concerns: night-time raids on suspected Taliban militants, and control of the main military prison in Bagram.
This list (available on request from the authors) was compiled based on previous literature, as well as, controversial concerns that the authors were made aware of.
But with regard to SCC or basal cell carcinoma (BCC), data are still controversial concerning exposure to CS. O3 is another gaseous oxidant (like CS) that can induce oxidative stress in cutaneous tissues.
Although all commercial forms of asbestos have been demonstrated to be carcinogenic in animals, so far epidemiological data are controversial concerning what asbestos types are the most carcinogenic and fibrogenic in humans.
Finally, several studies indicated that the 40 bp VNTR in the DAT1 gene 3' untranslated region affects gene expression, but the results are controversial concerning both the gene expression analyses [ 56, 57] and the SPECT studies [ 58- 60].
One area in which nomenclature appears especially uncertain, ambiguous, and even controversial concerns the proper designation for molecules that are released from dead, damaged, and stressed cells to serve an immunological function in the extracellular space.
Among the most controversial concerns is that a SMG coding for an antibiotic resistance originally from a bacterium might be horizontally transferred from GM plants back to bacteria causing new antibiotic resistance problems, for example, in the human- or animal gut environment.
But even facts need context.The book's less controversial claims concern the building itself: from its accidental location and design, to the amount of sand dredged from the Potomac to build it.
