The phrase "a firm support to" is correct and usable in written English.
It can be used when describing a strong or reliable assistance or backing provided to someone or something.
Example: "The organization aims to provide a firm support to local businesses during challenging times."
Alternatives: "a strong backing for" or "a solid assistance to".
The current study, which includes a large number of observations from different regions, environments and climates in Europe, and standardized exposure assessment, provides firm support to an adverse association between ambient air pollution and lung function in adults.
At home, Macmillan gave firm support to Britain's array of postwar social programs.
Neurofilament staining by immunofluorescence served as firm support to the observation that aqueous extracts-stimulated neuritogenesis.
The present study thus lends firm support to the concept of applying physician specialists in anaesthesiology in the prehospital setting.
It forms a firm support of the vinyl end to secondary radical coupling branching mechanism.
In July intelligence chiefs warned the government that LeJ was poised for a potential merger with Isis, which has not yet been able to develop a firm support base in Pakistan.
This result indicates a firm support for the 'Eurotatorian paraphyly' hypothesis.
On the last leg of her eastern Europe tour, the US Secretary of State Hillary Clinton delivered a firm message of support to Georgia yesterday, seeking to ease the former Soviet country's fears that its interests were being sacrificed in the name of America "resetting" relations with Russia.
Four sitting Democrats voted against her in the last speaker election, and at least 12 of the incoming House Democrats made statements critical of Pelosi on the campaign trail, ranging from a general call for new leadership to a firm refusal to support her becoming speaker again.
