The phrase "a substantial contribution from" is correct and usable in written English.
It can be used when discussing the input or support provided by someone or something that is significant in amount or impact.
Example: "The project was successful due to a substantial contribution from the research team."
Alternatives: "a significant input from" or "a major contribution from".
Rolls-Royce Motor Cars has unveiled record sales for 2010, with a substantial contribution from China.
"Without a substantial contribution from financial institutions," he said, "the legitimacy of our westernized capitalized systems will suffer".
This acquisition will also include a substantial contribution from the application of Conifer's capabilities to Vanguard's operations.
It wouldn't be a Bach year, 250th anniversary of the composer's death or no, without a substantial contribution from this provocative organist.
The Obama administration views a substantial contribution from its allies as a way to keep the American troop increase lower and blunt domestic political criticism of the Afghan war.
They will now demand a substantial contribution from Germany for the coming reconstruction of Libya -- and Berlin will have little choice but to send significant quantities of monetary aid as well as experts and material assistance.
But ventilators are not available in many parts of the developing world so lack of access to ventilators makes a substantial contribution to deaths from pesticide ingestion.
The D band arises due to the breathing modes of sp2 atoms in rings and its intensity is usually associated with defects in the carbon-based material[14], in the case of graphene, a substantial contribution which typically comes from the edge effects[15].
There are data indicating a substantial contribution to FENO arising from the mouth in healthy subjects [ 4].
A wide range of studies support the hypothesis that inadequate sunlight exposure and low serum vitamin D metabolite levels may be making a substantial contribution to morbidity and mortality from this disease.
A substantial contribution to the diagnosis derives from both the consideration of ethnicity and genotype analysis related to MEFV, MVK, TNFRSF1A, NLRP3, NLRP12, PSTPIP1, IL1RN, CARD15/NOD2, and PSMB8, which are the genes responsible for the syndromes collectively termed AIDs.
