The phrase "additional limitation of the study" is correct and usable in written English.
It can be used when discussing the constraints or restrictions that may affect the findings or conclusions of a research study.
Example: "One additional limitation of the study is the small sample size, which may not accurately represent the larger population."
Alternatives: "further constraint of the study" or "extra limitation of the research".
An additional limitation of the study is that we have not considered limited family structure in the pedigree analyses.
An additional limitation of the study was inherent in the convenience sampling method for participant recruitment.
An additional limitation of the study is that most data points were in a narrow glucose range - we only had 8 of the 484 paired measurements < 75 mg/dL and 42 of the 484 paired measurements > 180 mg/dL.
An additional limitation of the study was the lack of information on the use of chemotherapy and co-morbidities present at the time of diagnosis [39].
An additional limitation of the study relates to the testosterone analysis.
An additional limitation of the study includes the open-label design (belatacept vs. tacrolimus assignments).
Some additional limitations of the study also need to be acknowledged.
Additional limitations of the study include the absence of information regarding water and food consumption patterns as well as source of water (groundwater, bottled, surface) among the sample.
Additional limitations of the study are that it does not look at the new carbapenem, doripenem, and neither does it evaluate prolonged nor continuous infusion regimens.
However, the sociocultural and religious beliefs, and security concerns of the study participants may be additional limitations of the study, despite all our assurances of confidentiality during the explanation of the purpose of the study.
Notwithstanding the strengths and uniqueness of this study, the extent to which the findings can be generalised to the rest of the country and other communities in sub-Saharan Africa appears uncertain considering some additional limitations of the study.
