The phrase "addition to a higher level" is correct and usable in written English.
It can be used when discussing an increase or enhancement in quality, status, or complexity in various contexts, such as education, business, or personal development.
Example: "The new training program is an addition to a higher level of skill development for our employees."
Alternatives: "enhancement to a superior level" or "improvement to an advanced level".
Indeed lung monocytes displayed reduced expression of Ly6C, CD62L, and CD115 as previously observed, in addition to a higher level of CD11b, whereas only Ly6Clow monocytes displayed higher CD11c expression.
In a prospectively followed sample of patients with clinical consensus panel and dopamine transporter SPECT confirmed diagnosis of AD or DLB, cross-sectional assessments identified expected between-group similarities and differences in cognitive scores and clinical scales in addition to a higher level of carer distress relating to the symptoms of DLB patients.
In both scenarios, transparency and accountability are required in addition to a high level of citizen participation in decision-making.
The advantage of MerCreMer, described here, is in its tight control in addition to a high level of induction [ 15].
In the DGAT1 and ACAT genes, in addition to a high level of similarity between them, a positive selection has taken place at multiple locations.
In addition to a high level of complexity, the perceived meaning of the DNRF items and other similar items may be problematic.
A low degree of diversity (15.7% [39 different ST's out of 248 isolates]) of genotypes, in addition to a high level of mixed M. tuberculosis sub-populations among isolates with an unreported spoligotype pattern (10 out of 20 isolates [50.0%]) and isolates belonging to the ST53 lineage (13 out of 25[52%%]) was observed.
That is, lower educated controls have lower participation rates, making the referent group biased with fewer smokers and less occupational exposures to carcinogens, in addition to a higher average level of education.
In addition to having a higher level of EPA, seeds of line 63-1 also displayed increased levels of other LC-PUFAs, suggesting variation in the endogenous channeling of fatty acids into either pathway.
Risk factor four is that Aβ42 K16N peptides are protected against clearance activity by the major Aβ-degrading enzyme NEP which in addition leads to a higher level and an extended half-life of toxic oligomers.
Thicker and more numerous trabeculae were found at the microscopic level, in addition to a higher trabecular organization.
