The phrase "a comparison of serum" is correct and usable in written English.
It can be used in contexts related to medical or scientific discussions, particularly when analyzing or evaluating serum samples.
Example: "The study involved a comparison of serum levels of various biomarkers between the two patient groups."
Alternatives: "an analysis of serum" or "a review of serum".
To address this issue, we took advantage of the fact that many zoo elephants are immunized with tetanus toxoid and/or rabies vaccines as part of their routine health care, allowing a comparison of serum antibody levels against these antigens between dams and neonates.
A comparison of serum hCT levels for different age groups did not reveal remarkable differences.
In summary, a comparison of serum and cytosolic MIF expression between SS and SR SLE patients revealed that MIF may correlate with steroid resistance in SLE.
Table 1 presents a comparison of serum MIF, baseline cortisol, and the results of the ACTH stimulation test between the two groups.
Furthermore, a comparison of serum and liver proteoms revealed n = 10 proteins to be regulated in common, thus evidencing leakage of tumour proteins into systemic circulation (Table 2).
A comparison of serum glucose measurements (target value 98.5 mg/dL) was performed among ∼6,000 laboratories using 32 different instruments (25).
Fig. 3 Comparison of ROC curves of serum creatinine and of the 4 estimated GFR formulas to detect ARC.
They reported decreased serum TGF-ß levels in vitiligo patients, but a quantitative comparison of serum IL-17 levels between the healthy control and vitiligo patient groups was lacking [20].
Notably, a recent comparison of serum and 2i culture has also identified surprisingly large differences in gene expression [ 74].
Analysis of variance (ANOVA) was carried out for a comparison of GCF and serum levels of PGRN between the groups.
A comparison of the CVF, serum, and amniotic fluid proteomes showed that 77 proteins are unique to CVF, while 56 and 17 CVF proteins also occur in serum and amniotic fluid, respectively [ 106].
