The phrase "a combination of serum" is correct and usable in written English.
It can be used when discussing a mixture or blend of different types of serum, often in contexts related to health, beauty, or scientific research.
Example: "The new skincare product is formulated with a combination of serum that targets multiple skin concerns."
Alternatives: "a blend of serum" or "a mixture of serum".
Romero is being treated with a combination of serum made up of antibodies extracted from Ebola survivors and anti-viral drugs.
A combination of serum parameters predicted prospectively the occurrence of relevant HK with an accuracy of 81.6% underlining its potential utility for identifying 'high-risk' patients prone to PRRT.
H9c2 cells were subjected to a combination of serum and glucose deprivation as described in materials and methods.
A combination of serum p53Abs with other conventional markers increased the sensitivity and specificity for detecting lung cancer [ 8].
Furthermore, a combination of serum antibodies to C1q and dsDNA antibodies and the levels of C3 and C4 can increase the specificity of diagnosis for active LN.
The suppression of caspase-3 cleavage achieved by a combination of serum withdrawal and FTY720P was only partially reversed by SB649146 and this response was not consistently observed.
Recently, a combination of different serum proteins, serum bilirubin and g-glutamyltranspeptidase has been reported to be useful in predicting fibrosis in patients with chronic hepatitis C [ 25].
After one week there were two patients with low serum total cortisol concentrations (254 nmol/L and 335 nmol/L) and low serum free cortisol concentrations (14 nmol/L and 14 nmol/L) with a combination of low serum ACTH concentrations (2.64 pmol/L and 2.2 pmol/L).
However, a combination of the serum tumour markers CEA and VEGF can significantly increase the pre-operative diagnostic sensitivity to 62%.
To evaluate the performance of screening for fetal trisomy 21 in the first trimester of twin pregnancies by a combination of maternal serum biochemistry and ultrasonography.
Our data suggest that prediction of severe hyperkalemia using a combination of routine serum parameters prior to PRRT including potassium, creatinine, sodium, LDH, and phosphate identified 'high risk' patients with an accuracy of 81.6%.
