For the purposes of this exercise we will be concentrating on the reference collection in the Library. Legionella species are the causative agents of Legionnaires' disease. The Library may hold some books specifically on this subject. These books will often include an introductory chapter that will provide an overview of the subject. Everything option on Unicorn to locate some books on the subject.
Review articles can appear in any journal.
You can sometimes find review articles on your subject by browsing through copies of the specialist review journals, but it is usually more efficient to search the Indexing and abstracting services - see the Tips and tricks page for more information. It might also be necessary to limit your search by publication date. Now that you have found some background information on the topic, you can focus on a particular aspect of the subject and find some original research articles by searching the indexing and abstracting services. Suggest how you could broaden your search to provide more references. The Science Citation Index allows you to look up a specific article and to find the details of other articles published since, that have referred to that article.