The phrase "a preferred source of" is correct and usable in written English.
It can be used when discussing a favored or recommended origin of information, materials, or resources.
Example: "In our research, we identified a preferred source of data that provided the most accurate results."
Alternatives: "a favored source of" or "a recommended source of".
A yearly, standardized multidisciplinary assessment program was most frequently mentioned as a preferred, but not yet existing health care model (59%) and the rheumatologist as a preferred source of information supply (75%).
Ironically, the highest disapproval of the Trump Administration — eighty-three per cent — was in Norway, a country that Trump cited this month as a preferred source of immigrants.
In bladder cancer biomarker research, urine is a preferred source of biomarkers.
To understand the personal, social and cultural factors likely to explain recourse to the Internet as a preferred source of personal health information.
According to a new report from Pew Research Center out today, social media has for the first time surpassed newspapers as a preferred source of news for American adults.
Talk about ironic... Evidently, some vices are not only acceptable at New Birth, they're even a preferred source of revenue.
We suggest that Bzm-ShhN can serve as a relatively facile and preferred source of ShhNp for in vitro assays and as a probe to identify novel Hh protein interactions.
The findings of this study indicate that an overwhelming majority of students' preferred source of advice regarding contraception and sexual health was doctors (63.2%).
Groundwater as one of the natural resources is of fundamental importance to human life, because of its perceived good microbiological quality in the natural state and as a result, it is often the preferred source of drinking water supply as treatment is limited to disinfection.
Gastroenterologists selected pharmaceutical companies and government funding equally as their preferred source of funding, whereas hepatologists showed a clear preference for industry funding.
Interestingly, consumers tended to prefer a transgenic ω3 LC-PUFA oilseed as the preferred source of oil to be incorporated into bread, milk and supplements above oils sourced from fish and algae (Cox et al. 2011).
