The phrase "already published research" is correct and usable in written English.
It can be used when referring to studies or findings that have been made available to the public prior to the current discussion or analysis.
Example: "In our analysis, we will build upon the already published research to further explore the topic."
Alternatives: "previously published studies" or "existing research findings".
In the case of Dunbar and his colleagues, they already published research demonstrating that two other particularly human behaviors increased people's capacity for social bonding.
The report, "Domestic Violence Against Women and Girls," is a first effort by Unicef to establish the global dimensions of this form of abuse, drawing together already published research from various countries.
Mr. Massie, who was quick to admit that as a historian he "stands on the shoulders of others," based his book mostly on Catherine's own memoirs and on already published research.
That whole dynamic is itself a subject for study". Roozbehani agrees, pointing out that he, Dahleh, Mitter, and colleagues have already published research that begins to examine exactly the questions that Litvinov raises.
MU-MIMO concepts, fundamentals, and an overview of already published research results and current outcomes from SAMURAI project are shown in this paper.
One factor that may initially limit the usefulness of digital credentials is the massive amount of already published research, for which badges would still need to be implemented retroactively.
The aim of this paper is to present a theoretical overview of our already published researches into the nature of episodic memory over the course of time.
There are ethical, practical, financial and methodological reasons for building on what is already known from published research rather than generating new primary studies.
These may have a particular value for localised services, but there are ethical, practical, financial and methodological reasons for building on what is already known from published research rather than generating further small-scale primary studies.
For these purposes a data set of 141 studies evaluating three types of soft transport policy measures was compiled mainly from already published narrative research reviews.
There is already an abundant number of clinical trials and published research on the uses of adipose derived stem cells on a wide range of diseases and conditions.
