The phrase "achieved a definitive" is correct and usable in written English.
It can be used when discussing the attainment of a clear and conclusive result or outcome in a particular context.
Example: "After years of research, the scientists achieved a definitive understanding of the disease."
Alternatives: "reached a conclusive" or "attained a clear".
But repeated campaigns against groups across Africa and beyond have rarely achieved a definitive victory.
These observations suggest that the foundations of mathematics have not achieved a definitive shape but are still evolving; they form the subject of a lively debate among a small group of interested mathematicians, logicians, and philosophers.
Overall, we achieved a definitive molecular diagnosis in 22 patients (38%%).
The radicular portion of zirconia endodontic posts often need to be reshaped to achieve a definitive form and may be airborne-particle abraded to improve adhesion during luting.
Under the presumption that the tumor was a GIST, schwannoma, or other types of submucosal tumors, we sought to achieve a definitive diagnosis by radical resection for total biopsy with minimal margins.
Our results suggest that LECS is a useful procedure for achieving a definitive diagnosis for rare submucosal tumors such as plexiform fibromyxoma, which cannot be easily diagnosed before surgery.
It is difficult however to achieve a definitive diagnosis of this disease pre-operatively unless we keep this disease in mind, as it exhibits neither hypercalcemia nor PTH elevation.
These findings demonstrate the difficulty in achieving a definitive molecular diagnosis because of the complexity of interpreting new variants and the genetic heterogeneity that is associated with these neuropathies.
At the core of the battle of narratives lies a definition of rights that has allowed both parties to ensure that peace negotiations do not produce the kind of painful compromises on both sides needed to achieve a definitive resolution of their deep-seated conflict.
Cao et al. (2007) used immunohistochemistry to show BDNF expression in mouse OB glomeruli at P14, but did not achieve a definitive cellular localization [35].
