The phrase "also established that a" is correct and usable in written English.
You can use it when discussing findings or conclusions that build upon previous information or research.
Example: "The study also established that a significant correlation exists between sleep quality and academic performance."
Alternatives: "also determined that a" or "also found that a".
The Guardian, working with the Bureau of Investigative Journalism (BIJ), has also established that a loophole in import regulations is leaving an open door for MRSA CC398-infected live pigs from countries such as Denmark, where the disease is rife.
It is also established that a single plate core catcher can safely accommodate decay heat arising due to ∼70% of the core debris by establishing natural circulation in the lower sodium pool.
It is also established that a major cause for this stagnation is the use of long-term support in good ground conditions where only temporary support is required near-face for worker safety in the short-term.
In a wide-ranging hearing, the committee also established that a policy to recoup taxable income from UK residents who hide money in Swiss bank accounts has gained just £440m so far this year, instead of the £3.12bn expected; and that the civil servant responsible for shaping tax policy once compared tax collection to "extortion".
BBC Scotland has also established that a number of players who have not been paid will have difficulties in meeting their monthly financial commitments, including mortgages, if the club do not pay them within the next 10 days.
Adour also established that a likely cause of Bell's palsy is the herpes simplex, or cold sore, virus.
It was also established that an upper-bound to the cavity growth behavior is obtained by assuming a pre-existing cavity array without continuous nucleation.
It was also established that an average rate of correct recognition was 94% (84.8% [21]), and the accuracy of energy center determination was no more than 0.01 decomposition elements (as compared to 1.2 decomposition elements [20]), which is reflected in Table 1.
But it also establishes that postwar Canadian photography is a large, rich subject with which Americans should be more familiar.
They also establish that a cell need not be proficient in repair of DSBs to resist topoisomerase poisons.
It also establishes that a conformational change that makes the active site more accessible involves phenylalanine binding at a site separate from the active site.
