The phrase "are central to improving" is correct and usable in written English.
You can use it when discussing the importance of certain elements or factors in the process of enhancement or development.
Example: "Effective communication and collaboration are central to improving team performance."
Alternatives: "are key to enhancing" or "are crucial for advancing".
Educational programs such as the PGD course in Emergency and Critical Care Medicine are central to improving the quality of emergenc care available at district hospitals.
From a public health perspective, women are central to improving health for themselves and their families.
UK government policy emphasises that peoples' views about their care are central to improving the design and delivery of services.
Human resources contribute to the performance of all main functions of health systems; efforts to improve the effectiveness of the health workforce are central to improving health system performance.
Improving photosynthesis throughout the full canopy rather than photosynthesis of only the top leaves of the canopy is central to improving crop yields.
On the contrary: such data will be central to improving business relationships, be they with customers, partners or employees.
Exploring nurses' perspectives of caring is central to improving staffing and retention issues in this unique work environment.
Having insisted for months -- for years, actually -- that the card-check provision is central to improving the law, it is belatedly backing off and defining success downward.
In introducing this special issue, this paper argues that agriculture is central to improving food security and reducing poverty in Africa.
Parents' attitudes toward MMR vaccine and measles, mumps and rubella infections relate to their child's MMR status, therefore improving these attitudes is central to improving current suboptimal MMR uptake.
Walden would not disclose how much Argos had invested in re-engineering its national "hub & spoke" distribution network which is central to improving the quality and speed of delivery, but said: "We can do this because we are a different type of retailer.
