The system will allow you to search by article type ( Review, original article, case study, editorial, and/or miscellaneous) and by year (current to 5 years for IM; current to 3 years for CV). If you are preparing for a teaching conference, you may want to select review articles and editorials from the past year.. If you are formulating a differential diagnosis, or dealing with an unusual disease, you might limit your search to original articles, case studies, or miscellaneous. In addition to these features, you may also search by author or publication. For Current Events and Recent Articles, you may select up to ten topics from the 2500 topics in the Search Indexes, so that you will automatically receive updates on these subjects.