The phrase "a useful warning for" is correct and usable in written English.
It can be used when introducing a cautionary note or advice intended for a specific audience or situation.
Example: "This report serves as a useful warning for those who underestimate the risks involved in the project."
Alternatives: "a helpful alert for" or "a valuable caution for".
But the result for Moderate Biopsers in LCA (95%) while it is consistent with the 13% weight assigned to Lifetime Loss, is a useful warning of the need to be cautious in selecting a solution.
We report our experience of training dogs to assist people with epilepsy by providing a useful warning of seizures.
At best, he is proving to be a useful warning bell for US interests, an assiduous fixer who tries hard to restrain the screwball intentions of Paris, Berlin or Brussels.
Still, Ginsburg's retraction could serve as a useful warning to judges and justices.
"Don't take Trump literally" has become a cliché, but that doesn't make it wrong, exactly; it serves as a useful warning, a kind of code for, This dude is gonna say a lot of crazy shit, so take it all with a grain of salt.
But that first Arab spring died in 1967, in Israel's humiliating defeat of the Arab armies in the six-day war a useful warning for today's revolutionaries that success is not preordained.
If anything, they say, they have merely spotted problems at financial institutions ahead of everyone else, making them a useful early warning system for the rest of the market.
Expedited reporting to trial coordinators (trials unit and chief investigator) of some or all expected SAEs could serve as a useful early warning mechanism for unexpected rates of known SAEs.
The trending was seen as a useful alert and warning, for example, during sedation reduction/interruption.
Therefore, based on such technique a useful early warning system can be developed region wise or nation wise for disease prevention and control activities.
