The phrase "abnormality by a" is not complete and lacks context, making it difficult to determine its correctness in written English.
It could be used in a context where you are discussing the cause or identification of an abnormality, but it needs additional information to be fully clear.
Example: "The study aimed to identify the abnormality by a series of diagnostic tests."
Alternatives: "anomaly caused by a" or "irregularity due to a".
All collected data were manually analyzed for abnormalities by an experienced observer blinded to genotype.
He seemed like a voice at the centre that spoke for the margins, but he was at a margin of his own, and he understood the dismaying abnormalities of his patients in part because of his own sense of abnormality, enforced by a homophobic mother and by an internalised homophobia that kept him celibate for much of his adult life.
Polypoidal choroidal vasculopathy (PCV) is a distinct choroidal abnormality characterized by an abnormal branching vascular network in polypoidal structures [ 1].
Thirty of the lines had one or more clinical abnormality detected by a standard primary phenotyping screen.
Given the competition between c-Myc and SerRS for binding to the VEGFA promoter and the opposing activity of c-Myc and SerRS in regulating VEGFA expression, we postulated that knocking down c-Myc, although toxic on its own, may have a rescue effect towards the vasculature abnormality caused by a SerRS deficiency.
None of these cases showed an abnormality by Pap testing.
All 388 cases negative for MCM were reported as either inflammatory or negative in the accompanying routine Pap smears: no MCM negative case showed an abnormality by Pap testing.
The purpose of this pilot study was to assess whether G-CSF treatment in ALS patients is feasible, and to explore potential subclinical effects of G-CSF on structural cerebral abnormalities by using a combination of voxel-based morphometry (VBM) and whole-brain, voxel-based diffusion tensor imaging (DTI) analysis.
Sixty-four percent of patients had a cytogenetic abnormality by conventional karyotype analysis and/or fluorescence in situ hybridization.
