The phrase "a few systematic" is not correct as it is incomplete and lacks context.
It could be used in a context where you are referring to a limited number of systematic approaches or methods, but it needs additional information to be clear.
Example: "We have identified a few systematic methods to improve our workflow efficiency."
Alternatives: "several systematic" or "some systematic approaches".
In the cases where ratings differed, the analysis indicated only a few systematic differences among variables designed to provide possible explanations for differences in opinion.
Kleptomania, listed in DSM-IV as an impulse control disorder not elsewhere classified, is a psychiatric condition still poorly understood and subject of only a few systematic studies.
There are a few systematic reviews [12 14] in literature unsupportive on the role of the third molars in the development of late incisal crowding.
Only a few systematic differences were detected by visual inspection, as can be seen in the comparison of urine spectra at four months of age, depicted in Figure 3.
A few systematic reviews have focused on the effect of diabetes on individual geriatric outcomes [28], [29], but they also presented several weaknesses, such as inclusion of cross-sectional studies or those without proper adjustment for major confounders.
Swingler et al. [21] analysed nearly 3 000 systematic reviews and assessed the correlation between the number of systematic reviews undertaken and the burden of disease: only a few systematic reviews focused on some diseases affecting a large number of the world's population.
A systematic review of the AR in a specific area also, we believe, would be likely to be reported as done, as these are time consuming, and strengthen the importance and validity of a study; few systematic reviews are reported in the AR literature, most of poor quality [ 40, 41].
Nowadays, even though cognitive control architectures form an important area of research, there are many constraints on the broad application of cognitive control at an industrial level and very few systematic approaches truly inspired by biological processes, from the perspective of control engineering.
Conclusions Despite a few hundred systematic reviews and meta-analyses, highly convincing evidence of a clear role of vitamin D does not exist for any outcome, but associations with a selection of outcomes are probable.
35 Another recent meta-analysis concluded "[d]espite a few hundred systematic reviews and meta-analyses, highly convincing evidence of a clear role of vitamin D does not exist for any outcome" (ref. 36, abstract).
Few systematic studies have assessed the epidemiology of CA-MRSA in Europe (7).
