The phrase "a remained" is not correct and usable in written English.
It seems to be a grammatical error, as "remained" is typically used as a verb and does not require the article "a" before it.
Example: "Only a few options remained after the selection process."
Alternatives: "a leftover" or "a remnant".
No one in the first responder community knew that Stairwell A remained potentially passable.
Schools needed to do several points better to get a B, C or D, though the score needed to earn an A remained the same.
On the other hand, the performance of several network inference based methods, such as Genomica (iterative NI method A) and GENIE3 (direct NI method A), remained relatively stable with decreasing number of samples.
By comparing Fig. 5a, b, we observed that the surface morphology of sample A remained the same.
Dr. A remained personally liable for payroll taxes withheld from his employees' wages but not paid over to the taxing authorities.
The total number of lacking links at the second map of group A remained 25 links that were decreased 55.56 percentages from the first map, and the lacking links of this second map are equal to 16.45 percentages of all possible lacking links.
The maximum strain of J-0 and J-A was −0.00147 at a drift ratio of −2.74%; thus, the longitudinal re-bar strains of J-0 and J-A did not reach their yield strain of −0.0015; this means that the beam top longitudinal reinforcement of J-0 and J-A remained in the elastic range.
On the other hand, CID/CENP-A remained centromere bound in the absence of all proteins tested consistent with its role in establishing the position and assembly of the kinetochore.
The labeling for Gl-A remained unchanged.
Yet, despite these advances, the molecular identification of the first identified inversely acting single gene, Inr-a, remained unknown.
In contrast, when cells expressing mutant ZIP13 (F-G64D) were treated similarly, band-B was severely decreased while band-A remained (Fig 2B, left).
