The phrase "attributed to a small number" is correct and usable in written English.
It can be used when discussing something that is believed to be caused or created by a limited group of people or factors.
Example: "The recent findings in the study were attributed to a small number of participants who had unique experiences."
Alternatives: "ascribed to a limited group" or "credited to a few individuals."
We now report that synthesis of these lipids can be attributed to a small number of intestinal and oral organisms within the Bacteroides, Parabacteroides, Prevotella, Tannerella and Porphyromonas genera.
Low levels of human BDNF detected in the contralateral sides of the brain are attributed to a small number of β-gal/BDNF double-positive B10 cells which migrate to the opposite side of the brain via corpus callosum (see Figure 6).
FA models are most advantageous if all covariances between traits can be attributed to a small number of factors.
In addition, in Kosrae, most admixture can be attributed to a relatively small number of European founders introduced into the population 5 7 generations ago.
This is in agreement with the recent view of eukaryotic evolution, proposing that most of the known diversity of eukaryotes can be attributed to a relatively small number of 'supergroups'supergroups
Perhaps one of the most important observations of inhibitor economics, also demonstrated by several authors, is that the higher overall costs of treating inhibitor patients can be largely attributed to only a small number (1%–2%) of patients who use huge amounts of bypassing agents.
While the good economic news can be attributed to a number of factors, including a smaller foal crop, the Thoroughbred racing and breeding industries touted the tax benefit in the lead-up to this year's yearling sales.
Its popularity as a research model system can be attributed to a number of factors that include small size, rapid development, large clutch size, optical transparency and development outside of their mothers.
Female patients showed a trend toward improved FMD, CRP, HbA1c values, and BP measurements; yet this trend failed to reach statistical significance, a finding possibly attributed to the small number of enrolled patients.
Much of the enthusiasm for LinkedIn can be attributed to the small number of shares sold and a pent-up demand by investors who have had to wait out the financial crisis to put money in a sizable American Internet start-up.
