"Peer review occurs when you submit your research, scholarly work, or ideas for evaluation by others who are considered experts in a field (Darling, 2015)."
https://research.phoenix.edu/blog/importance-peer-review-introduction
"Reviewers play a pivotal role in scholarly publishing. The peer review system exists to validate academic work, helps to improve the quality of published research, and increases networking possibilities within research communities. Despite criticisms, peer review is still the only widely accepted method for research validation and has continued successfully with relatively minor changes for some 350 years."
https://www.elsevier.com/reviewers/what-is-peer-review
"Peer review is a quality control measure for medical research. It is a process in which professionals review each other’s work to make sure that it is accurate, relevant, and significant."
https://www.medicalnewstoday.com/articles/281528
"Peer review is a healthy, scientific, positive process by which physicians review what their peers are doing, looking at variances, and studying the how simple outcomes of these variances, and then making recommendations based on these studies."
http://peerreview.org/
"Peer review is a process of ensuring that new research is original and uses valid science. It is used in all areas of scientific and academic research activity from life sciences to astrophysics and psychology to social sciences."
https://artifacts.ai/what-is-a-peer-review-in-science/