"largely substantiated" is correct and usable in written English.
You can use it to indicate that something has been proven or confirmed to some degree. For example, "The claim that eating certain foods can help boost energy levels has been largely substantiated by recent scientific studies."
Obsessed with government's penchant for secrecy, Mr. Moynihan pointed out that President Harry Truman was never told that by breaking the Soviet wartime code, Washington had largely substantiated Communist Moscow's infiltration of the American government.
Subsequent findings about "cognitive bandwidth" and the limitations of willpower have largely substantiated James's hunch: if you waste resources trying to decide when or where to work, you'll impede your capacity to do the work.
In the widely accepted con tinental drift theory, which has been largely substantiated by previous Glomar Challenger missions, Europe broke away from North America about 80 million years ago but Africa separated some 150 million years ago.
(James fought a lifelong struggle to inculcate such habits in himself). Subsequent findings about "cognitive bandwidth" and the limitations of willpower have largely substantiated James's hunch: if you waste resources trying to decide when or where to work, you'll impede your capacity to do the work.
The potential role of these identified gene candidates in learning and memory can be largely substantiated by available literature.
Importantly, our observations in prostate cancer have largely been substantiated by others [ 17, 18].
Furthermore, previous research examining the impact of POHs on the financial viability of surrounding hospitals has largely failed to substantiate concerns that POHs affect inpatient volume, revenues, or profits at competing hospitals.
The research firm substantiated: "We have reduced our forecast largely to reflect lower profitability from Dow's commodity-oriented businesses due to a weakening fundamental outlook for ethylene, propylene, and major derivatives.
Early experience using pump therapy documented increased risk of diabetic ketoacidosis but this has not been substantiated in more recent trials and should be largely preventable by appropriate sick day rules training, a standard part of the DAFNE curriculum.
Due to the lack of knowledge about the material nature of the gene, however, the classical gene remained a largely formal and operational concept, i.e., had to be substantiated indirectly by the successes achieved in explaining and predicting experimental results.
The understanding of hematopoietic cell functions has been largely established by the identification of a large number of effector genes expressed in hematopoietic cells, but has not been extensively substantiated at the AS level.
