The phrase "a likely indicator of" is correct and usable in written English.
You can use it when discussing something that suggests or points to a particular outcome or condition.
Example: "The increase in temperature is a likely indicator of climate change."
Alternatives: "a probable sign of" or "a strong indication of".
Our data suggest that RBP4 and resistin might mark an early vascular dysfunction not detected by common vascular indicators like E-selectin, which is a likely indicator of a more advanced degree of endothelial impairment.
At design-time, sensors are defined to specify risk conditions which when fulfilled, are a likely indicator of negative process states (faults) to eventuate.
Recently, the press has embarked on a bout of unprecedented criticism of the president, a likely indicator of the army's displeasure.
Tripoli has yet to reply to the request, but a visit by Omar al-Bashir – the Sudanese president wanted by the ICC on charges of genocide and war crimes – is seen by some as a likely indicator of its response.
It also is a likely indicator of where Freeview — a disruptive presence in the UK market in that it offers a range of digital TV channels free of charge, against paid offerings from the likes of Sky and Virgin Media — may choose to invest (and disrupt) in the future.
"Well be watching to see who Jim appoints as his airport commissioners," a likely indicator of what the new mayor's airport plans will be.
This suggests that excess adiposity in later adulthood, a more likely indicator of long-term exposure to being overweight, is more important in the mediation of increased diabetes risk associated with early menarche than BMI earlier in life.
Cholesterol sequestration is thus another likely indicator of a processing defect in the endosomal lysosomal system (Walkley and Vanier, 2009).
Genes differentially expressed after MDV infection in all three chicken lines are likely indicators of a common host response to virus infection.
These massive mammals accumulate POPs in their tissues, making them likely indicators of the health of the world's oceans.
These phenotypes represent likely indicators of system failures that contributed to animal death.
