The phrase "exist further" is correct and can be used in written English.
It is usually used to mean "continue to exist or remain in existence". For example, "Academic research in this field will exist further for many years to come."
Though existing guidelines on TB prevention, care and control exist, further action is needed in order to make these guidelines internationally enforceable and justiciable, which is where a framework convention on TB control is needed.
what lies beyond Silicon Photonics and what advantages might exist further down the road.
There exist further three archdioceses (Aleppo, Baghdad, and Istanbul), three dioceses (Alexandria, Eṣfahān, and Kamichlie, Syria), one apostolic exarchy (Paris), and two ordinariates (Athens, and Gherla, Romania).
Although credible models of planet formation now exist, further measurements of solar system bodies and extra-solar objects could offer insight to the origin of Earth and the solar system.
This survey concludes that although various IR and VI image fusion methods have been proposed, there still exist further improvements or potential research directions in different applications of IR and VI image fusion.
After decades of Integrated Assessment Models (IAMs) that were doubtless helpful to gain insights to mitigation options and climate change dynamics, there truly exist further improvements [21].
Schlafly's suggestion that the pay gap should exist furthers social inequality.
Though some empirical research on behavioral complexity exists, further progress requires a more rigorous instrument to measure behavioral repertoire.
A larger form, Pongo hooijeri, the size of a modern gorilla and presumably a ground dweller, existed further north in what is now mainland Asia.
If a seizure exists, further analysis could be made for more understanding of seizure behavior.
However, in cases where high suspicion for splenomegaly exists, further imaging should be obtained to rule it out.
