The phrase "are often unexplored" is correct and usable in written English.
It can be used to describe subjects, topics, or areas that have not been thoroughly examined or investigated.
Example: "Many aspects of the universe are often unexplored, leaving room for new discoveries."
Alternatives: "are frequently overlooked" or "remain largely unexamined."
Even though lymph nodes are immune organs, changes in immune cell populations, such as cell numbers, densities, and spatial relationships, are often unexplored.
This may require greater knowledge of what are often unexplored methodologies such as mixed methods, ethnography, quasi- experimental approaches, and longitudinal studies; funding for such evaluations should be allocated accordingly.
The identity of drivers of large-scale patterns in marine diversity patterns is often unexplored.
But the journalists who have access to the 2008 presidential candidates usually aren't prepared to talk tech, and so the candidates' positions on digital issues are often left unexplored.
Featuring specifically curated starting points on the black experience, "Vision & Justice" charts an urgent path into racial and political territories that are often left unexplored by mainstream arts publications.
However, the secondary effects of exogenous channel expression are often left unexplored.
It is then relatively easy to make qualitative assessments that certain sequences are more related to each other than to other sequences; but more complex questions requiring expertise with modeling are often left unexplored despite their potential importance.
This has been defined as 'the processes, pressures and constraints which fall outside... the formal curriculum, and which are often unarticulated or unexplored' [ 27].
It is comprised of processes, pressures and constraints which fall outside the formal curriculum, and are often unarticulated or unexplored [ 2].
Hidden curriculum is defined as influences at the level of organizational structure and culture, referring to processes that are often unarticulated and unexplored [ 31].
While the flight of health care professionals partly explains the human resources strain faced by African countries, there is also a subtle in-country bias against the medical infrastructure in these countries that is often left unexplored.
