The phrase "a study of additional" is correct and usable in written English.
It can be used when referring to research or analysis that focuses on supplementary information or elements related to a specific topic.
Example: "The researchers conducted a study of additional factors that may influence the outcome of the experiment."
Alternatives: "an analysis of supplementary" or "an examination of extra".
In a study of 49 additional trios recruited after this study, the proportion of NKT cells in the first-degree relatives was similarly and significantly reduced as compared with control individuals (% NKT = 0.074 ± 0.12; P = 0.016 versus control individuals).
Overall, allelic richness was highest in UK, the population with only planktonic larvae, in line with our findings from a previous study of additional populations from a broader geographic scale [ 42].
We have performed a prospective study of additional response criteria in patients with progressive bone metastases from breast cancer.
With LifeLines DEEP, we are performing a pilot study of additional deep molecular measurements in 1500 individuals, using biomaterials from different domains that were all collected contemporaneously from fasting individuals.
We now provide evidence showing an inverse association of CagA serology with asthma in a case control study of an additional well-characterized and separate adult urban population.
A follow-up study of 105 additional patients assessed test-retest reliability.
And when he made his study a number of additional things and corrections were made.
While the activities protocols described above (i.e., the AMAP, EDMA, VIPA, and SWAP) could be part of such a study, additional measures would be needed.
Clinical efficacy of this approach has been confirmed and reached a climax in the follow-up study of an additional 11 adult patients treated with R/R B-ALL (Davila et al., 2014).
In addition to the required courses for subjects such as English, math, physical education, science, and social studies, a number of additional elective classes are offered, many of which can be substituted for traditional classes.
