The phrase "as essential indicators of" is correct and usable in written English.
It can be used when discussing elements that serve as important signs or measures of a particular phenomenon or condition.
Example: "The researchers identified several factors as essential indicators of climate change."
Alternatives: "as crucial signs of" or "as key measures of".
Chinese cancer survivors view "normal living", a good working life, happiness, material resources and support from their families as essential indicators of QOL [ 6, 7].
The increasing widespread use of TM has prompted the WHO to promote the integration of TM and CAM into the national health care systems of some countries and to encourage the development of national policy and regulations as essential indicators of the level of integration of such medicine within a national health care system [ 3, 4].
The robustness and sensitivity to noise are generally considered as essential indicator for image moments.
These variables are identified and selected as essential indicators in AIR.
In an era when postsecondary education and training are essential, indicators of postsecondary readiness must be central and can't be overshadowed by other measures in school ratings.
These six criteria were selected to represent basic and essential indicators of epidemiologic study quality.
A time to convergence to the steady state, as an essential indicator of optimization properties of the process, was also analyzed.
Soil is a major sink for atmospheric carbon, and soil organic carbon (SOC) is considered as an essential indicator of soil quality.
As a measure of development, it is an essential indicator of the freedom of choice that people will have as they manage to survive to their first years of life.
Land surface temperature (LST) is an essential indicator of the Earth's surface energy budget.
The crossing of the placental barrier by a microbial pathogen is an essential indicator of virulence [44].
