The phrase "as the most problematic" is correct and usable in written English.
It can be used to highlight something that is considered the most troublesome or difficult among a group of issues or topics.
Example: "In the discussion of environmental issues, pollution is often cited as the most problematic factor affecting wildlife."
Alternatives: "as the most challenging" or "as the most concerning".
They also reported back and hands as the most problematic areas.
This paper focuses on the linguistic needs of medical students and it also identifies the areas perceived as the most problematic and the most important for their future careers.
While Bankia was long seen as the most problematic aspect of the banking sector, given that it had accumulated €32 billion of troubled assets, the suddenness of its collapse came as a surprise.
On a visit to the city in March, Mr. Perez described the department as the most problematic in the country and made clear that all options were on the table, including a consent decree.
Barzani organized a meeting this month in the Iraqi Kurdish town of Irbil that brought Kurdish and Arab Syrian opposition leaders together with Turkish Foreign Minister Ahmet Davutoglu but excluded the PYD, the Syrian Kurdish group regarded by the Turks as the most problematic.
In the whole, this article provides a pertinent contribution for the valorization of E. crassipes biomass through the production of natural extracts with high contents of sterols, especially stigmasterol, mainly if one takes into account it is classified as the most problematic invasive plant worldwide.
Assessment of safety culture in a given institution helps inform the perceptions and behaviors of administrators regarding safety as well as identify the most problematic areas for improvement [ 6].
The European commission said on Tuesday it wanted all large companies to publish a country-by-country breakdown of profits, taxes, employees and turnover in all 28 member states of the EU, as well as some of the most problematic tax havens.
The Nuclear Regulatory Commission rates Indian Point 2, situated in a more densely populated area than any other reactor in the nation, as among the most problematic.
On the basis of measurements of quality parameters that were identified as being the most problematic (i.e., pesticides and nitrates), we modeled how water quality is influenced by land uses.
Concealment of allocation as well as participants' blinding were the most problematic fields (unclear in 50 %, 75%% of studies, respectively).
