Regulatory affairs do indicate a very exact meaning in medical industries or companies. Review articles are the synopsis of present state of understanding on a specific do research topic. They analyze or discuss research previously published by scientist and academicians instead of reporting novel research results. review comes within the sort of systematic reviews and writing reviews and are a sort of secondary literature. Systematic reviews determine an objective list of criteria, and find all before published original research papers that meet the standards. Literature reviews, against this , provide a outline of what the authors believe are the simplest and most relevant prior publications. The concept of "review article" is break away the idea of peer-reviewed literature. it's likely for a review to be peer-reviewed, and it's possible for a review to be non-peer-reviewed.