How to choose and become a reviewer for a scientific medical journal

Peer review is the process of subjecting an author's scholarly work, research or ideas to the scrutiny of others who are experts in the same field. The peer review of scientific manuscripts is a cornerstone of modern science and medicine. Some journals have difficulty in finding appropriate reviewers who are able to complete reviews on time avoiding publication delay. We discuss some of the main issues involved during the peer review process. The reviewer has a direct and important impact on the quality of a scientific medical Journal. Editors select reviewers on the basis of their expertise. Reviewers are more likely to accept to review a manuscript when it is relevant to their area of interest. They should respond to ethical principles, excluding any conflict of interest condition. The reviewer has to be professional, constructive, tactful, empathetic and respectful. Structured approaches, quality indicators and step-by-step process check list formats could be useful in obtaining a good review.